Home / 318,090.75-438,966.15-182,126.79

Finding the Fourth Proportional to 318,090.75, 438,966.15 and 182,126.79

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Solution

The fourth proportional to 318,090.75, 438,966.15 and 182,126.79 is: 251,335.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,090.75 : 438,966.15 = 182,126.79 : x
  2. Step 2: Convert to fraction form
    318,090.75/438,966.15 = 182,126.79/x
  3. Step 3: Cross multiply
    318,090.75x = 438,966.15 × 182,126.79
  4. Step 4: Simplify right side
    318,090.75x = 79,947,495,818.16
  5. Step 5: Solve for x
    x = 79,947,495,818.16/318,090.75
  6. Step 6: Final answer
    x = 251,335.49

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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.