Home / 318,781.34-439,918.20-175,541.03

Finding the Fourth Proportional to 318,781.34, 439,918.20 and 175,541.03

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Solution

The fourth proportional to 318,781.34, 439,918.20 and 175,541.03 is: 242,246.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,781.34 : 439,918.20 = 175,541.03 : x
  2. Step 2: Convert to fraction form
    318,781.34/439,918.20 = 175,541.03/x
  3. Step 3: Cross multiply
    318,781.34x = 439,918.20 × 175,541.03
  4. Step 4: Simplify right side
    318,781.34x = 77,223,691,744.16
  5. Step 5: Solve for x
    x = 77,223,691,744.16/318,781.34
  6. Step 6: Final answer
    x = 242,246.59

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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.