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Finding the Fourth Proportional to 636,590.43, 955,019.70 and 187,273.71

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Solution

The fourth proportional to 636,590.43, 955,019.70 and 187,273.71 is: 280,950.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,590.43 : 955,019.70 = 187,273.71 : x
  2. Step 2: Convert to fraction form
    636,590.43/955,019.70 = 187,273.71/x
  3. Step 3: Cross multiply
    636,590.43x = 955,019.70 × 187,273.71
  4. Step 4: Simplify right side
    636,590.43x = 178,850,082,342.09
  5. Step 5: Solve for x
    x = 178,850,082,342.09/636,590.43
  6. Step 6: Final answer
    x = 280,950.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.