Home / 318,560.26-477,909.51-96,938.50

Finding the Fourth Proportional to 318,560.26, 477,909.51 and 96,938.50

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Solution

The fourth proportional to 318,560.26, 477,909.51 and 96,938.50 is: 145,428.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,560.26 : 477,909.51 = 96,938.50 : x
  2. Step 2: Convert to fraction form
    318,560.26/477,909.51 = 96,938.50/x
  3. Step 3: Cross multiply
    318,560.26x = 477,909.51 × 96,938.50
  4. Step 4: Simplify right side
    318,560.26x = 46,327,831,035.14
  5. Step 5: Solve for x
    x = 46,327,831,035.14/318,560.26
  6. Step 6: Final answer
    x = 145,428.78

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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.