Home / 152,864.40-229,318.20-47,672.40

Finding the Fourth Proportional to 152,864.40, 229,318.20 and 47,672.40

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Solution

The fourth proportional to 152,864.40, 229,318.20 and 47,672.40 is: 71,515.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,864.40 : 229,318.20 = 47,672.40 : x
  2. Step 2: Convert to fraction form
    152,864.40/229,318.20 = 47,672.40/x
  3. Step 3: Cross multiply
    152,864.40x = 229,318.20 × 47,672.40
  4. Step 4: Simplify right side
    152,864.40x = 10,932,148,957.68
  5. Step 5: Solve for x
    x = 10,932,148,957.68/152,864.40
  6. Step 6: Final answer
    x = 71,515.34

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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.