Home / 385,244.23-577,722.66-132,453.15

Finding the Fourth Proportional to 385,244.23, 577,722.66 and 132,453.15

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Solution

The fourth proportional to 385,244.23, 577,722.66 and 132,453.15 is: 198,630.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,244.23 : 577,722.66 = 132,453.15 : x
  2. Step 2: Convert to fraction form
    385,244.23/577,722.66 = 132,453.15/x
  3. Step 3: Cross multiply
    385,244.23x = 577,722.66 × 132,453.15
  4. Step 4: Simplify right side
    385,244.23x = 76,521,186,143.38
  5. Step 5: Solve for x
    x = 76,521,186,143.38/385,244.23
  6. Step 6: Final answer
    x = 198,630.32

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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.