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Finding the Fourth Proportional to 555,864.80, 834,015.90 and 218,848.10

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Solution

The fourth proportional to 555,864.80, 834,015.90 and 218,848.10 is: 328,358.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,864.80 : 834,015.90 = 218,848.10 : x
  2. Step 2: Convert to fraction form
    555,864.80/834,015.90 = 218,848.10/x
  3. Step 3: Cross multiply
    555,864.80x = 834,015.90 × 218,848.10
  4. Step 4: Simplify right side
    555,864.80x = 182,522,795,084.79
  5. Step 5: Solve for x
    x = 182,522,795,084.79/555,864.80
  6. Step 6: Final answer
    x = 328,358.25

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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.