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Finding the Fourth Proportional to 266,094.17, 399,141.22 and 97,550.79

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Solution

The fourth proportional to 266,094.17, 399,141.22 and 97,550.79 is: 146,326.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,094.17 : 399,141.22 = 97,550.79 : x
  2. Step 2: Convert to fraction form
    266,094.17/399,141.22 = 97,550.79/x
  3. Step 3: Cross multiply
    266,094.17x = 399,141.22 × 97,550.79
  4. Step 4: Simplify right side
    266,094.17x = 38,936,539,336.86
  5. Step 5: Solve for x
    x = 38,936,539,336.86/266,094.17
  6. Step 6: Final answer
    x = 146,326.17

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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.