Home / 397,630.20-596,315.70-148,279.80

Finding the Fourth Proportional to 397,630.20, 596,315.70 and 148,279.80

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Solution

The fourth proportional to 397,630.20, 596,315.70 and 148,279.80 is: 222,371.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,630.20 : 596,315.70 = 148,279.80 : x
  2. Step 2: Convert to fraction form
    397,630.20/596,315.70 = 148,279.80/x
  3. Step 3: Cross multiply
    397,630.20x = 596,315.70 × 148,279.80
  4. Step 4: Simplify right side
    397,630.20x = 88,421,572,732.86
  5. Step 5: Solve for x
    x = 88,421,572,732.86/397,630.20
  6. Step 6: Final answer
    x = 222,371.37

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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.