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Finding the Fourth Proportional to 349,397.24, 482,168.58 and 198,523.40

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Solution

The fourth proportional to 349,397.24, 482,168.58 and 198,523.40 is: 273,962.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,397.24 : 482,168.58 = 198,523.40 : x
  2. Step 2: Convert to fraction form
    349,397.24/482,168.58 = 198,523.40/x
  3. Step 3: Cross multiply
    349,397.24x = 482,168.58 × 198,523.40
  4. Step 4: Simplify right side
    349,397.24x = 95,721,745,874.77
  5. Step 5: Solve for x
    x = 95,721,745,874.77/349,397.24
  6. Step 6: Final answer
    x = 273,962.51

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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.