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Finding the Fourth Proportional to 442,197.98, 610,235.27 and 251,221.85

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Solution

The fourth proportional to 442,197.98, 610,235.27 and 251,221.85 is: 346,687.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,197.98 : 610,235.27 = 251,221.85 : x
  2. Step 2: Convert to fraction form
    442,197.98/610,235.27 = 251,221.85/x
  3. Step 3: Cross multiply
    442,197.98x = 610,235.27 × 251,221.85
  4. Step 4: Simplify right side
    442,197.98x = 153,304,432,387.83
  5. Step 5: Solve for x
    x = 153,304,432,387.83/442,197.98
  6. Step 6: Final answer
    x = 346,687.32

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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.