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Finding the Fourth Proportional to 371,245.96, 512,319.54 and 201,480.04

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Solution

The fourth proportional to 371,245.96, 512,319.54 and 201,480.04 is: 278,042.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,245.96 : 512,319.54 = 201,480.04 : x
  2. Step 2: Convert to fraction form
    371,245.96/512,319.54 = 201,480.04/x
  3. Step 3: Cross multiply
    371,245.96x = 512,319.54 × 201,480.04
  4. Step 4: Simplify right side
    371,245.96x = 103,222,161,411.98
  5. Step 5: Solve for x
    x = 103,222,161,411.98/371,245.96
  6. Step 6: Final answer
    x = 278,042.52

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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.