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Finding the Fourth Proportional to 279,291.96, 418,896.42 and 101,757.60

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Solution

The fourth proportional to 279,291.96, 418,896.42 and 101,757.60 is: 152,621.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,291.96 : 418,896.42 = 101,757.60 : x
  2. Step 2: Convert to fraction form
    279,291.96/418,896.42 = 101,757.60/x
  3. Step 3: Cross multiply
    279,291.96x = 418,896.42 × 101,757.60
  4. Step 4: Simplify right side
    279,291.96x = 42,625,894,347.79
  5. Step 5: Solve for x
    x = 42,625,894,347.79/279,291.96
  6. Step 6: Final answer
    x = 152,621.27

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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.