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Finding the Fourth Proportional to 284,569.20, 425,932.20 and 201,625.20

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Solution

The fourth proportional to 284,569.20, 425,932.20 and 201,625.20 is: 301,784.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,569.20 : 425,932.20 = 201,625.20 : x
  2. Step 2: Convert to fraction form
    284,569.20/425,932.20 = 201,625.20/x
  3. Step 3: Cross multiply
    284,569.20x = 425,932.20 × 201,625.20
  4. Step 4: Simplify right side
    284,569.20x = 85,878,665,011.44
  5. Step 5: Solve for x
    x = 85,878,665,011.44/284,569.20
  6. Step 6: Final answer
    x = 301,784.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.