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Finding the Fourth Proportional to 634,630.60, 951,989.10 and 202,313.80

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Solution

The fourth proportional to 634,630.60, 951,989.10 and 202,313.80 is: 303,484.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,630.60 : 951,989.10 = 202,313.80 : x
  2. Step 2: Convert to fraction form
    634,630.60/951,989.10 = 202,313.80/x
  3. Step 3: Cross multiply
    634,630.60x = 951,989.10 × 202,313.80
  4. Step 4: Simplify right side
    634,630.60x = 192,600,532,379.58
  5. Step 5: Solve for x
    x = 192,600,532,379.58/634,630.60
  6. Step 6: Final answer
    x = 303,484.47

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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.