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Finding the Fourth Proportional to 232,338.20, 347,729.70 and 162,354.20

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Solution

The fourth proportional to 232,338.20, 347,729.70 and 162,354.20 is: 242,987.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,338.20 : 347,729.70 = 162,354.20 : x
  2. Step 2: Convert to fraction form
    232,338.20/347,729.70 = 162,354.20/x
  3. Step 3: Cross multiply
    232,338.20x = 347,729.70 × 162,354.20
  4. Step 4: Simplify right side
    232,338.20x = 56,455,377,259.74
  5. Step 5: Solve for x
    x = 56,455,377,259.74/232,338.20
  6. Step 6: Final answer
    x = 242,987.93

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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.