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Finding the Fourth Proportional to 332,297.61, 498,422.34 and 129,855.74

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Solution

The fourth proportional to 332,297.61, 498,422.34 and 129,855.74 is: 194,774.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,297.61 : 498,422.34 = 129,855.74 : x
  2. Step 2: Convert to fraction form
    332,297.61/498,422.34 = 129,855.74/x
  3. Step 3: Cross multiply
    332,297.61x = 498,422.34 × 129,855.74
  4. Step 4: Simplify right side
    332,297.61x = 64,722,999,301.12
  5. Step 5: Solve for x
    x = 64,722,999,301.12/332,297.61
  6. Step 6: Final answer
    x = 194,774.19

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1.5x scale

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.