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Finding the Fourth Proportional to 360,820.80, 498,343.92 and 245,901.24

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Solution

The fourth proportional to 360,820.80, 498,343.92 and 245,901.24 is: 339,623.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,820.80 : 498,343.92 = 245,901.24 : x
  2. Step 2: Convert to fraction form
    360,820.80/498,343.92 = 245,901.24/x
  3. Step 3: Cross multiply
    360,820.80x = 498,343.92 × 245,901.24
  4. Step 4: Simplify right side
    360,820.80x = 122,543,387,874.46
  5. Step 5: Solve for x
    x = 122,543,387,874.46/360,820.80
  6. Step 6: Final answer
    x = 339,623.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.