Home / 398,255.02-597,161.07-131,870.22

Finding the Fourth Proportional to 398,255.02, 597,161.07 and 131,870.22

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Solution

The fourth proportional to 398,255.02, 597,161.07 and 131,870.22 is: 197,732.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,255.02 : 597,161.07 = 131,870.22 : x
  2. Step 2: Convert to fraction form
    398,255.02/597,161.07 = 131,870.22/x
  3. Step 3: Cross multiply
    398,255.02x = 597,161.07 × 131,870.22
  4. Step 4: Simplify right side
    398,255.02x = 78,747,761,676.34
  5. Step 5: Solve for x
    x = 78,747,761,676.34/398,255.02
  6. Step 6: Final answer
    x = 197,732.00

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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.