Home / 279,082.90-385,130.01-151,757.38

Finding the Fourth Proportional to 279,082.90, 385,130.01 and 151,757.38

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Solution

The fourth proportional to 279,082.90, 385,130.01 and 151,757.38 is: 209,422.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,082.90 : 385,130.01 = 151,757.38 : x
  2. Step 2: Convert to fraction form
    279,082.90/385,130.01 = 151,757.38/x
  3. Step 3: Cross multiply
    279,082.90x = 385,130.01 × 151,757.38
  4. Step 4: Simplify right side
    279,082.90x = 58,446,321,276.97
  5. Step 5: Solve for x
    x = 58,446,321,276.97/279,082.90
  6. Step 6: Final answer
    x = 209,422.80

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1.5x scale

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.