Home / 318,091.75-438,967.53-182,127.79

Finding the Fourth Proportional to 318,091.75, 438,967.53 and 182,127.79

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Solution

The fourth proportional to 318,091.75, 438,967.53 and 182,127.79 is: 251,336.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,091.75 : 438,967.53 = 182,127.79 : x
  2. Step 2: Convert to fraction form
    318,091.75/438,967.53 = 182,127.79/x
  3. Step 3: Cross multiply
    318,091.75x = 438,967.53 × 182,127.79
  4. Step 4: Simplify right side
    318,091.75x = 79,948,186,120.66
  5. Step 5: Solve for x
    x = 79,948,186,120.66/318,091.75
  6. Step 6: Final answer
    x = 251,336.87

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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.