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Finding the Fourth Proportional to 317,073.74, 437,550.15 and 173,830.64

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Solution

The fourth proportional to 317,073.74, 437,550.15 and 173,830.64 is: 239,879.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,073.74 : 437,550.15 = 173,830.64 : x
  2. Step 2: Convert to fraction form
    317,073.74/437,550.15 = 173,830.64/x
  3. Step 3: Cross multiply
    317,073.74x = 437,550.15 × 173,830.64
  4. Step 4: Simplify right side
    317,073.74x = 76,059,622,606.60
  5. Step 5: Solve for x
    x = 76,059,622,606.60/317,073.74
  6. Step 6: Final answer
    x = 239,879.92

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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.