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Finding the Fourth Proportional to 269,708.91, 402,512.55 and 239,816.13

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Solution

The fourth proportional to 269,708.91, 402,512.55 and 239,816.13 is: 357,900.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,708.91 : 402,512.55 = 239,816.13 : x
  2. Step 2: Convert to fraction form
    269,708.91/402,512.55 = 239,816.13/x
  3. Step 3: Cross multiply
    269,708.91x = 402,512.55 × 239,816.13
  4. Step 4: Simplify right side
    269,708.91x = 96,529,002,017.43
  5. Step 5: Solve for x
    x = 96,529,002,017.43/269,708.91
  6. Step 6: Final answer
    x = 357,900.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.