Home / 397,231.20-596,077.20-147,938.40

Finding the Fourth Proportional to 397,231.20, 596,077.20 and 147,938.40

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Solution

The fourth proportional to 397,231.20, 596,077.20 and 147,938.40 is: 221,993.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,231.20 : 596,077.20 = 147,938.40 : x
  2. Step 2: Convert to fraction form
    397,231.20/596,077.20 = 147,938.40/x
  3. Step 3: Cross multiply
    397,231.20x = 596,077.20 × 147,938.40
  4. Step 4: Simplify right side
    397,231.20x = 88,182,707,244.48
  5. Step 5: Solve for x
    x = 88,182,707,244.48/397,231.20
  6. Step 6: Final answer
    x = 221,993.41

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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.