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Finding the Fourth Proportional to 354,550.26, 531,830.03 and 117,892.93

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Solution

The fourth proportional to 354,550.26, 531,830.03 and 117,892.93 is: 176,840.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,550.26 : 531,830.03 = 117,892.93 : x
  2. Step 2: Convert to fraction form
    354,550.26/531,830.03 = 117,892.93/x
  3. Step 3: Cross multiply
    354,550.26x = 531,830.03 × 117,892.93
  4. Step 4: Simplify right side
    354,550.26x = 62,699,000,498.69
  5. Step 5: Solve for x
    x = 62,699,000,498.69/354,550.26
  6. Step 6: Final answer
    x = 176,840.94

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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.