Home / 317,115.90-437,388.12-202,473.36

Finding the Fourth Proportional to 317,115.90, 437,388.12 and 202,473.36

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Solution

The fourth proportional to 317,115.90, 437,388.12 and 202,473.36 is: 279,265.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,115.90 : 437,388.12 = 202,473.36 : x
  2. Step 2: Convert to fraction form
    317,115.90/437,388.12 = 202,473.36/x
  3. Step 3: Cross multiply
    317,115.90x = 437,388.12 × 202,473.36
  4. Step 4: Simplify right side
    317,115.90x = 88,559,442,280.48
  5. Step 5: Solve for x
    x = 88,559,442,280.48/317,115.90
  6. Step 6: Final answer
    x = 279,265.22

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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.