Home / 395,721.02-593,664.60-129,460.70

Finding the Fourth Proportional to 395,721.02, 593,664.60 and 129,460.70

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Solution

The fourth proportional to 395,721.02, 593,664.60 and 129,460.70 is: 194,218.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,721.02 : 593,664.60 = 129,460.70 : x
  2. Step 2: Convert to fraction form
    395,721.02/593,664.60 = 129,460.70/x
  3. Step 3: Cross multiply
    395,721.02x = 593,664.60 × 129,460.70
  4. Step 4: Simplify right side
    395,721.02x = 76,856,234,681.22
  5. Step 5: Solve for x
    x = 76,856,234,681.22/395,721.02
  6. Step 6: Final answer
    x = 194,218.23

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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.