Home / 284,637.12-427,025.75-200,561.48

Finding the Fourth Proportional to 284,637.12, 427,025.75 and 200,561.48

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Solution

The fourth proportional to 284,637.12, 427,025.75 and 200,561.48 is: 300,891.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,637.12 : 427,025.75 = 200,561.48 : x
  2. Step 2: Convert to fraction form
    284,637.12/427,025.75 = 200,561.48/x
  3. Step 3: Cross multiply
    284,637.12x = 427,025.75 × 200,561.48
  4. Step 4: Simplify right side
    284,637.12x = 85,644,913,280.17
  5. Step 5: Solve for x
    x = 85,644,913,280.17/284,637.12
  6. Step 6: Final answer
    x = 300,891.58

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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.