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Finding the Fourth Proportional to 492,241.28, 679,292.98 and 265,886.78

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Solution

The fourth proportional to 492,241.28, 679,292.98 and 265,886.78 is: 366,923.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,241.28 : 679,292.98 = 265,886.78 : x
  2. Step 2: Convert to fraction form
    492,241.28/679,292.98 = 265,886.78/x
  3. Step 3: Cross multiply
    492,241.28x = 679,292.98 × 265,886.78
  4. Step 4: Simplify right side
    492,241.28x = 180,615,023,128.80
  5. Step 5: Solve for x
    x = 180,615,023,128.80/492,241.28
  6. Step 6: Final answer
    x = 366,923.76

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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.