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Finding the Fourth Proportional to 317,068.69, 437,554.68 and 173,825.66

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Solution

The fourth proportional to 317,068.69, 437,554.68 and 173,825.66 is: 239,879.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,068.69 : 437,554.68 = 173,825.66 : x
  2. Step 2: Convert to fraction form
    317,068.69/437,554.68 = 173,825.66/x
  3. Step 3: Cross multiply
    317,068.69x = 437,554.68 × 173,825.66
  4. Step 4: Simplify right side
    317,068.69x = 76,058,231,037.09
  5. Step 5: Solve for x
    x = 76,058,231,037.09/317,068.69
  6. Step 6: Final answer
    x = 239,879.35

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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.