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Finding the Fourth Proportional to 276,854.46, 415,084.86 and 132,595.08

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Solution

The fourth proportional to 276,854.46, 415,084.86 and 132,595.08 is: 198,798.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,854.46 : 415,084.86 = 132,595.08 : x
  2. Step 2: Convert to fraction form
    276,854.46/415,084.86 = 132,595.08/x
  3. Step 3: Cross multiply
    276,854.46x = 415,084.86 × 132,595.08
  4. Step 4: Simplify right side
    276,854.46x = 55,038,210,218.49
  5. Step 5: Solve for x
    x = 55,038,210,218.49/276,854.46
  6. Step 6: Final answer
    x = 198,798.35

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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.