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Finding the Fourth Proportional to 371,295.12, 512,387.85 and 201,529.32

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Solution

The fourth proportional to 371,295.12, 512,387.85 and 201,529.32 is: 278,110.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,295.12 : 512,387.85 = 201,529.32 : x
  2. Step 2: Convert to fraction form
    371,295.12/512,387.85 = 201,529.32/x
  3. Step 3: Cross multiply
    371,295.12x = 512,387.85 × 201,529.32
  4. Step 4: Simplify right side
    371,295.12x = 103,261,174,986.76
  5. Step 5: Solve for x
    x = 103,261,174,986.76/371,295.12
  6. Step 6: Final answer
    x = 278,110.78

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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.