Home / 397,301.20-596,182.20-148,008.40

Finding the Fourth Proportional to 397,301.20, 596,182.20 and 148,008.40

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Solution

The fourth proportional to 397,301.20, 596,182.20 and 148,008.40 is: 222,098.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,301.20 : 596,182.20 = 148,008.40 : x
  2. Step 2: Convert to fraction form
    397,301.20/596,182.20 = 148,008.40/x
  3. Step 3: Cross multiply
    397,301.20x = 596,182.20 × 148,008.40
  4. Step 4: Simplify right side
    397,301.20x = 88,239,973,530.48
  5. Step 5: Solve for x
    x = 88,239,973,530.48/397,301.20
  6. Step 6: Final answer
    x = 222,098.43

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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.