Home / 634,631.98-951,950.94-213,911.50

Finding the Fourth Proportional to 634,631.98, 951,950.94 and 213,911.50

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Solution

The fourth proportional to 634,631.98, 951,950.94 and 213,911.50 is: 320,868.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,631.98 : 951,950.94 = 213,911.50 : x
  2. Step 2: Convert to fraction form
    634,631.98/951,950.94 = 213,911.50/x
  3. Step 3: Cross multiply
    634,631.98x = 951,950.94 × 213,911.50
  4. Step 4: Simplify right side
    634,631.98x = 203,633,253,501.81
  5. Step 5: Solve for x
    x = 203,633,253,501.81/634,631.98
  6. Step 6: Final answer
    x = 320,868.25

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.