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Finding the Fourth Proportional to 284,554.20, 425,909.70 and 201,610.20

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Solution

The fourth proportional to 284,554.20, 425,909.70 and 201,610.20 is: 301,762.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,554.20 : 425,909.70 = 201,610.20 : x
  2. Step 2: Convert to fraction form
    284,554.20/425,909.70 = 201,610.20/x
  3. Step 3: Cross multiply
    284,554.20x = 425,909.70 × 201,610.20
  4. Step 4: Simplify right side
    284,554.20x = 85,867,739,798.94
  5. Step 5: Solve for x
    x = 85,867,739,798.94/284,554.20
  6. Step 6: Final answer
    x = 301,762.33

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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.