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Finding the Fourth Proportional to 359,080.39, 494,859.67 and 268,276.15

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Solution

The fourth proportional to 359,080.39, 494,859.67 and 268,276.15 is: 369,719.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,080.39 : 494,859.67 = 268,276.15 : x
  2. Step 2: Convert to fraction form
    359,080.39/494,859.67 = 268,276.15/x
  3. Step 3: Cross multiply
    359,080.39x = 494,859.67 × 268,276.15
  4. Step 4: Simplify right side
    359,080.39x = 132,759,047,057.87
  5. Step 5: Solve for x
    x = 132,759,047,057.87/359,080.39
  6. Step 6: Final answer
    x = 369,719.57

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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.