Home / 398,008.35-597,091.31-113,701.35

Finding the Fourth Proportional to 398,008.35, 597,091.31 and 113,701.35

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Solution

The fourth proportional to 398,008.35, 597,091.31 and 113,701.35 is: 170,574.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,008.35 : 597,091.31 = 113,701.35 : x
  2. Step 2: Convert to fraction form
    398,008.35/597,091.31 = 113,701.35/x
  3. Step 3: Cross multiply
    398,008.35x = 597,091.31 × 113,701.35
  4. Step 4: Simplify right side
    398,008.35x = 67,890,087,451.76
  5. Step 5: Solve for x
    x = 67,890,087,451.76/398,008.35
  6. Step 6: Final answer
    x = 170,574.53

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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.