Home / 258,831.46-357,132.51-163,282.78

Finding the Fourth Proportional to 258,831.46, 357,132.51 and 163,282.78

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Solution

The fourth proportional to 258,831.46, 357,132.51 and 163,282.78 is: 225,295.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,831.46 : 357,132.51 = 163,282.78 : x
  2. Step 2: Convert to fraction form
    258,831.46/357,132.51 = 163,282.78/x
  3. Step 3: Cross multiply
    258,831.46x = 357,132.51 × 163,282.78
  4. Step 4: Simplify right side
    258,831.46x = 58,313,589,061.18
  5. Step 5: Solve for x
    x = 58,313,589,061.18/258,831.46
  6. Step 6: Final answer
    x = 225,295.60

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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.