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Finding the Fourth Proportional to 369,915.15, 510,428.17 and 224,645.39

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Solution

The fourth proportional to 369,915.15, 510,428.17 and 224,645.39 is: 309,977.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,915.15 : 510,428.17 = 224,645.39 : x
  2. Step 2: Convert to fraction form
    369,915.15/510,428.17 = 224,645.39/x
  3. Step 3: Cross multiply
    369,915.15x = 510,428.17 × 224,645.39
  4. Step 4: Simplify right side
    369,915.15x = 114,665,335,316.64
  5. Step 5: Solve for x
    x = 114,665,335,316.64/369,915.15
  6. Step 6: Final answer
    x = 309,977.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.