Home / 379,864.93-569,831.71-109,989.13

Finding the Fourth Proportional to 379,864.93, 569,831.71 and 109,989.13

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Solution

The fourth proportional to 379,864.93, 569,831.71 and 109,989.13 is: 164,993.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,864.93 : 569,831.71 = 109,989.13 : x
  2. Step 2: Convert to fraction form
    379,864.93/569,831.71 = 109,989.13/x
  3. Step 3: Cross multiply
    379,864.93x = 569,831.71 × 109,989.13
  4. Step 4: Simplify right side
    379,864.93x = 62,675,291,180.15
  5. Step 5: Solve for x
    x = 62,675,291,180.15/379,864.93
  6. Step 6: Final answer
    x = 164,993.63

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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.