Home / 257,402.28-385,676.70-182,149.56

Finding the Fourth Proportional to 257,402.28, 385,676.70 and 182,149.56

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Solution

The fourth proportional to 257,402.28, 385,676.70 and 182,149.56 is: 272,922.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,402.28 : 385,676.70 = 182,149.56 : x
  2. Step 2: Convert to fraction form
    257,402.28/385,676.70 = 182,149.56/x
  3. Step 3: Cross multiply
    257,402.28x = 385,676.70 × 182,149.56
  4. Step 4: Simplify right side
    257,402.28x = 70,250,841,207.25
  5. Step 5: Solve for x
    x = 70,250,841,207.25/257,402.28
  6. Step 6: Final answer
    x = 272,922.37

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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.