Home / 397,510.50-548,514.62-268,729.18

Finding the Fourth Proportional to 397,510.50, 548,514.62 and 268,729.18

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Solution

The fourth proportional to 397,510.50, 548,514.62 and 268,729.18 is: 370,812.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,510.50 : 548,514.62 = 268,729.18 : x
  2. Step 2: Convert to fraction form
    397,510.50/548,514.62 = 268,729.18/x
  3. Step 3: Cross multiply
    397,510.50x = 548,514.62 × 268,729.18
  4. Step 4: Simplify right side
    397,510.50x = 147,401,884,050.61
  5. Step 5: Solve for x
    x = 147,401,884,050.61/397,510.50
  6. Step 6: Final answer
    x = 370,812.55

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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.