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Finding the Fourth Proportional to 500,092.77, 690,122.67 and 270,645.05

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Solution

The fourth proportional to 500,092.77, 690,122.67 and 270,645.05 is: 373,487.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,092.77 : 690,122.67 = 270,645.05 : x
  2. Step 2: Convert to fraction form
    500,092.77/690,122.67 = 270,645.05/x
  3. Step 3: Cross multiply
    500,092.77x = 690,122.67 × 270,645.05
  4. Step 4: Simplify right side
    500,092.77x = 186,778,281,077.67
  5. Step 5: Solve for x
    x = 186,778,281,077.67/500,092.77
  6. Step 6: Final answer
    x = 373,487.27

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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.