Home / 317,136.16-437,877.50-204,155.72

Finding the Fourth Proportional to 317,136.16, 437,877.50 and 204,155.72

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Solution

The fourth proportional to 317,136.16, 437,877.50 and 204,155.72 is: 281,882.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,136.16 : 437,877.50 = 204,155.72 : x
  2. Step 2: Convert to fraction form
    317,136.16/437,877.50 = 204,155.72/x
  3. Step 3: Cross multiply
    317,136.16x = 437,877.50 × 204,155.72
  4. Step 4: Simplify right side
    317,136.16x = 89,395,196,284.30
  5. Step 5: Solve for x
    x = 89,395,196,284.30/317,136.16
  6. Step 6: Final answer
    x = 281,882.70

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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.