Home / 317,022.30-437,487.21-173,781.90

Finding the Fourth Proportional to 317,022.30, 437,487.21 and 173,781.90

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Solution

The fourth proportional to 317,022.30, 437,487.21 and 173,781.90 is: 239,817.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,022.30 : 437,487.21 = 173,781.90 : x
  2. Step 2: Convert to fraction form
    317,022.30/437,487.21 = 173,781.90/x
  3. Step 3: Cross multiply
    317,022.30x = 437,487.21 × 173,781.90
  4. Step 4: Simplify right side
    317,022.30x = 76,027,358,579.50
  5. Step 5: Solve for x
    x = 76,027,358,579.50/317,022.30
  6. Step 6: Final answer
    x = 239,817.07

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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.