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Finding the Fourth Proportional to 317,144.00, 437,671.35 and 173,909.18

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Solution

The fourth proportional to 317,144.00, 437,671.35 and 173,909.18 is: 240,001.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,144.00 : 437,671.35 = 173,909.18 : x
  2. Step 2: Convert to fraction form
    317,144.00/437,671.35 = 173,909.18/x
  3. Step 3: Cross multiply
    317,144.00x = 437,671.35 × 173,909.18
  4. Step 4: Simplify right side
    317,144.00x = 76,115,063,399.64
  5. Step 5: Solve for x
    x = 76,115,063,399.64/317,144.00
  6. Step 6: Final answer
    x = 240,001.59

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1.5x scale

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.