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Finding the Fourth Proportional to 243,342.75, 365,056.17 and 108,454.76

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Solution

The fourth proportional to 243,342.75, 365,056.17 and 108,454.76 is: 162,700.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,342.75 : 365,056.17 = 108,454.76 : x
  2. Step 2: Convert to fraction form
    243,342.75/365,056.17 = 108,454.76/x
  3. Step 3: Cross multiply
    243,342.75x = 365,056.17 × 108,454.76
  4. Step 4: Simplify right side
    243,342.75x = 39,592,079,303.87
  5. Step 5: Solve for x
    x = 39,592,079,303.87/243,342.75
  6. Step 6: Final answer
    x = 162,700.88

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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.