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Finding the Fourth Proportional to 258,079.80, 387,119.70 and 244,301.70

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Solution

The fourth proportional to 258,079.80, 387,119.70 and 244,301.70 is: 366,452.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,079.80 : 387,119.70 = 244,301.70 : x
  2. Step 2: Convert to fraction form
    258,079.80/387,119.70 = 244,301.70/x
  3. Step 3: Cross multiply
    258,079.80x = 387,119.70 × 244,301.70
  4. Step 4: Simplify right side
    258,079.80x = 94,574,000,813.49
  5. Step 5: Solve for x
    x = 94,574,000,813.49/258,079.80
  6. Step 6: Final answer
    x = 366,452.55

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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.