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Finding the Fourth Proportional to 349,385.94, 482,154.21 and 198,491.22

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Solution

The fourth proportional to 349,385.94, 482,154.21 and 198,491.22 is: 273,918.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,385.94 : 482,154.21 = 198,491.22 : x
  2. Step 2: Convert to fraction form
    349,385.94/482,154.21 = 198,491.22/x
  3. Step 3: Cross multiply
    349,385.94x = 482,154.21 × 198,491.22
  4. Step 4: Simplify right side
    349,385.94x = 95,703,377,371.04
  5. Step 5: Solve for x
    x = 95,703,377,371.04/349,385.94
  6. Step 6: Final answer
    x = 273,918.80

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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.