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Finding the Fourth Proportional to 242,393.46, 363,337.47 and 142,471.86

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Solution

The fourth proportional to 242,393.46, 363,337.47 and 142,471.86 is: 213,559.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,393.46 : 363,337.47 = 142,471.86 : x
  2. Step 2: Convert to fraction form
    242,393.46/363,337.47 = 142,471.86/x
  3. Step 3: Cross multiply
    242,393.46x = 363,337.47 × 142,471.86
  4. Step 4: Simplify right side
    242,393.46x = 51,765,365,158.59
  5. Step 5: Solve for x
    x = 51,765,365,158.59/242,393.46
  6. Step 6: Final answer
    x = 213,559.25

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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.