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Finding the Fourth Proportional to 442,381.80, 610,552.43 and 270,398.86

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Solution

The fourth proportional to 442,381.80, 610,552.43 and 270,398.86 is: 373,190.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,381.80 : 610,552.43 = 270,398.86 : x
  2. Step 2: Convert to fraction form
    442,381.80/610,552.43 = 270,398.86/x
  3. Step 3: Cross multiply
    442,381.80x = 610,552.43 × 270,398.86
  4. Step 4: Simplify right side
    442,381.80x = 165,092,679,177.85
  5. Step 5: Solve for x
    x = 165,092,679,177.85/442,381.80
  6. Step 6: Final answer
    x = 373,190.48

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1.5x scale

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.