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Finding the Fourth Proportional to 542,670.18, 813,995.55 and 222,752.58

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Solution

The fourth proportional to 542,670.18, 813,995.55 and 222,752.58 is: 334,124.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,670.18 : 813,995.55 = 222,752.58 : x
  2. Step 2: Convert to fraction form
    542,670.18/813,995.55 = 222,752.58/x
  3. Step 3: Cross multiply
    542,670.18x = 813,995.55 × 222,752.58
  4. Step 4: Simplify right side
    542,670.18x = 181,319,608,871.02
  5. Step 5: Solve for x
    x = 181,319,608,871.02/542,670.18
  6. Step 6: Final answer
    x = 334,124.88

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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.