Home / 310,831.15-428,922.46-174,838.03

Finding the Fourth Proportional to 310,831.15, 428,922.46 and 174,838.03

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Solution

The fourth proportional to 310,831.15, 428,922.46 and 174,838.03 is: 241,262.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,831.15 : 428,922.46 = 174,838.03 : x
  2. Step 2: Convert to fraction form
    310,831.15/428,922.46 = 174,838.03/x
  3. Step 3: Cross multiply
    310,831.15x = 428,922.46 × 174,838.03
  4. Step 4: Simplify right side
    310,831.15x = 74,991,957,929.15
  5. Step 5: Solve for x
    x = 74,991,957,929.15/310,831.15
  6. Step 6: Final answer
    x = 241,262.69

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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.