Home / 634,154.98-951,378.87-213,420.58

Finding the Fourth Proportional to 634,154.98, 951,378.87 and 213,420.58

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Solution

The fourth proportional to 634,154.98, 951,378.87 and 213,420.58 is: 320,180.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,154.98 : 951,378.87 = 213,420.58 : x
  2. Step 2: Convert to fraction form
    634,154.98/951,378.87 = 213,420.58/x
  3. Step 3: Cross multiply
    634,154.98x = 951,378.87 × 213,420.58
  4. Step 4: Simplify right side
    634,154.98x = 203,043,830,235.15
  5. Step 5: Solve for x
    x = 203,043,830,235.15/634,154.98
  6. Step 6: Final answer
    x = 320,180.14

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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.