Home / 395,803.02-593,787.78-129,542.88

Finding the Fourth Proportional to 395,803.02, 593,787.78 and 129,542.88

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Solution

The fourth proportional to 395,803.02, 593,787.78 and 129,542.88 is: 194,341.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,803.02 : 593,787.78 = 129,542.88 : x
  2. Step 2: Convert to fraction form
    395,803.02/593,787.78 = 129,542.88/x
  3. Step 3: Cross multiply
    395,803.02x = 593,787.78 × 129,542.88
  4. Step 4: Simplify right side
    395,803.02x = 76,920,979,130.01
  5. Step 5: Solve for x
    x = 76,920,979,130.01/395,803.02
  6. Step 6: Final answer
    x = 194,341.57

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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.