Home / 395,715.85-593,629.09-129,423.29

Finding the Fourth Proportional to 395,715.85, 593,629.09 and 129,423.29

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Solution

The fourth proportional to 395,715.85, 593,629.09 and 129,423.29 is: 194,153.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,715.85 : 593,629.09 = 129,423.29 : x
  2. Step 2: Convert to fraction form
    395,715.85/593,629.09 = 129,423.29/x
  3. Step 3: Cross multiply
    395,715.85x = 593,629.09 × 129,423.29
  4. Step 4: Simplify right side
    395,715.85x = 76,829,426,575.80
  5. Step 5: Solve for x
    x = 76,829,426,575.80/395,715.85
  6. Step 6: Final answer
    x = 194,153.02

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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.