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Finding the Fourth Proportional to 360,937.55, 498,098.22 and 199,807.49

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Solution

The fourth proportional to 360,937.55, 498,098.22 and 199,807.49 is: 275,736.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,937.55 : 498,098.22 = 199,807.49 : x
  2. Step 2: Convert to fraction form
    360,937.55/498,098.22 = 199,807.49/x
  3. Step 3: Cross multiply
    360,937.55x = 498,098.22 × 199,807.49
  4. Step 4: Simplify right side
    360,937.55x = 99,523,755,111.67
  5. Step 5: Solve for x
    x = 99,523,755,111.67/360,937.55
  6. Step 6: Final answer
    x = 275,736.77

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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.