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Finding the Fourth Proportional to 279,620.92, 385,877.46 and 152,296.12

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Solution

The fourth proportional to 279,620.92, 385,877.46 and 152,296.12 is: 210,168.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,620.92 : 385,877.46 = 152,296.12 : x
  2. Step 2: Convert to fraction form
    279,620.92/385,877.46 = 152,296.12/x
  3. Step 3: Cross multiply
    279,620.92x = 385,877.46 × 152,296.12
  4. Step 4: Simplify right side
    279,620.92x = 58,767,639,953.46
  5. Step 5: Solve for x
    x = 58,767,639,953.46/279,620.92
  6. Step 6: Final answer
    x = 210,168.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.