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Finding the Fourth Proportional to 239,902.80, 359,854.20 and 229,664.40

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Solution

The fourth proportional to 239,902.80, 359,854.20 and 229,664.40 is: 344,496.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,902.80 : 359,854.20 = 229,664.40 : x
  2. Step 2: Convert to fraction form
    239,902.80/359,854.20 = 229,664.40/x
  3. Step 3: Cross multiply
    239,902.80x = 359,854.20 × 229,664.40
  4. Step 4: Simplify right side
    239,902.80x = 82,645,698,930.48
  5. Step 5: Solve for x
    x = 82,645,698,930.48/239,902.80
  6. Step 6: Final answer
    x = 344,496.60

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1.5x scale

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.