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Finding the Fourth Proportional to 349,389.44, 482,159.04 and 198,494.72

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Solution

The fourth proportional to 349,389.44, 482,159.04 and 198,494.72 is: 273,923.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,389.44 : 482,159.04 = 198,494.72 : x
  2. Step 2: Convert to fraction form
    349,389.44/482,159.04 = 198,494.72/x
  3. Step 3: Cross multiply
    349,389.44x = 482,159.04 × 198,494.72
  4. Step 4: Simplify right side
    349,389.44x = 95,706,023,640.27
  5. Step 5: Solve for x
    x = 95,706,023,640.27/349,389.44
  6. Step 6: Final answer
    x = 273,923.63

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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.