Home / 218,078.35-326,592.64-147,744.43

Finding the Fourth Proportional to 218,078.35, 326,592.64 and 147,744.43

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Solution

The fourth proportional to 218,078.35, 326,592.64 and 147,744.43 is: 221,261.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,078.35 : 326,592.64 = 147,744.43 : x
  2. Step 2: Convert to fraction form
    218,078.35/326,592.64 = 147,744.43/x
  3. Step 3: Cross multiply
    218,078.35x = 326,592.64 × 147,744.43
  4. Step 4: Simplify right side
    218,078.35x = 48,252,243,439.00
  5. Step 5: Solve for x
    x = 48,252,243,439.00/218,078.35
  6. Step 6: Final answer
    x = 221,261.04

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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.