Home / 224,764.88-310,237.32-139,831.28

Finding the Fourth Proportional to 224,764.88, 310,237.32 and 139,831.28

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Solution

The fourth proportional to 224,764.88, 310,237.32 and 139,831.28 is: 193,005.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,764.88 : 310,237.32 = 139,831.28 : x
  2. Step 2: Convert to fraction form
    224,764.88/310,237.32 = 139,831.28/x
  3. Step 3: Cross multiply
    224,764.88x = 310,237.32 × 139,831.28
  4. Step 4: Simplify right side
    224,764.88x = 43,380,881,559.37
  5. Step 5: Solve for x
    x = 43,380,881,559.37/224,764.88
  6. Step 6: Final answer
    x = 193,005.60

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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.