Home / 398,359.22-597,537.20-161,699.90

Finding the Fourth Proportional to 398,359.22, 597,537.20 and 161,699.90

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Solution

The fourth proportional to 398,359.22, 597,537.20 and 161,699.90 is: 242,549.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,359.22 : 597,537.20 = 161,699.90 : x
  2. Step 2: Convert to fraction form
    398,359.22/597,537.20 = 161,699.90/x
  3. Step 3: Cross multiply
    398,359.22x = 597,537.20 × 161,699.90
  4. Step 4: Simplify right side
    398,359.22x = 96,621,702,902.84
  5. Step 5: Solve for x
    x = 96,621,702,902.84/398,359.22
  6. Step 6: Final answer
    x = 242,549.18

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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.