Home / 261,550.84-391,831.08-154,614.64

Finding the Fourth Proportional to 261,550.84, 391,831.08 and 154,614.64

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Solution

The fourth proportional to 261,550.84, 391,831.08 and 154,614.64 is: 231,629.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,550.84 : 391,831.08 = 154,614.64 : x
  2. Step 2: Convert to fraction form
    261,550.84/391,831.08 = 154,614.64/x
  3. Step 3: Cross multiply
    261,550.84x = 391,831.08 × 154,614.64
  4. Step 4: Simplify right side
    261,550.84x = 60,582,821,375.01
  5. Step 5: Solve for x
    x = 60,582,821,375.01/261,550.84
  6. Step 6: Final answer
    x = 231,629.24

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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.