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Finding the Fourth Proportional to 266,952.19, 400,463.52 and 98,590.86

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Solution

The fourth proportional to 266,952.19, 400,463.52 and 98,590.86 is: 147,899.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,952.19 : 400,463.52 = 98,590.86 : x
  2. Step 2: Convert to fraction form
    266,952.19/400,463.52 = 98,590.86/x
  3. Step 3: Cross multiply
    266,952.19x = 400,463.52 × 98,590.86
  4. Step 4: Simplify right side
    266,952.19x = 39,482,042,835.43
  5. Step 5: Solve for x
    x = 39,482,042,835.43/266,952.19
  6. Step 6: Final answer
    x = 147,899.30

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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.