Home / 398,237.10-597,261.30-113,918.88

Finding the Fourth Proportional to 398,237.10, 597,261.30 and 113,918.88

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Solution

The fourth proportional to 398,237.10, 597,261.30 and 113,918.88 is: 170,851.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,237.10 : 597,261.30 = 113,918.88 : x
  2. Step 2: Convert to fraction form
    398,237.10/597,261.30 = 113,918.88/x
  3. Step 3: Cross multiply
    398,237.10x = 597,261.30 × 113,918.88
  4. Step 4: Simplify right side
    398,237.10x = 68,039,338,363.34
  5. Step 5: Solve for x
    x = 68,039,338,363.34/398,237.10
  6. Step 6: Final answer
    x = 170,851.33

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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.