Home / 284,769.27-427,157.55-85,043.93

Finding the Fourth Proportional to 284,769.27, 427,157.55 and 85,043.93

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Solution

The fourth proportional to 284,769.27, 427,157.55 and 85,043.93 is: 127,566.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,769.27 : 427,157.55 = 85,043.93 : x
  2. Step 2: Convert to fraction form
    284,769.27/427,157.55 = 85,043.93/x
  3. Step 3: Cross multiply
    284,769.27x = 427,157.55 × 85,043.93
  4. Step 4: Simplify right side
    284,769.27x = 36,327,154,645.38
  5. Step 5: Solve for x
    x = 36,327,154,645.38/284,769.27
  6. Step 6: Final answer
    x = 127,566.98

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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.