Home / 283,731.01-391,549.34-154,670.54

Finding the Fourth Proportional to 283,731.01, 391,549.34 and 154,670.54

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Solution

The fourth proportional to 283,731.01, 391,549.34 and 154,670.54 is: 213,445.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,731.01 : 391,549.34 = 154,670.54 : x
  2. Step 2: Convert to fraction form
    283,731.01/391,549.34 = 154,670.54/x
  3. Step 3: Cross multiply
    283,731.01x = 391,549.34 × 154,670.54
  4. Step 4: Simplify right side
    283,731.01x = 60,561,147,854.44
  5. Step 5: Solve for x
    x = 60,561,147,854.44/283,731.01
  6. Step 6: Final answer
    x = 213,445.64

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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.