Home / 235,361.02-324,798.60-127,930.78

Finding the Fourth Proportional to 235,361.02, 324,798.60 and 127,930.78

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Solution

The fourth proportional to 235,361.02, 324,798.60 and 127,930.78 is: 176,544.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,361.02 : 324,798.60 = 127,930.78 : x
  2. Step 2: Convert to fraction form
    235,361.02/324,798.60 = 127,930.78/x
  3. Step 3: Cross multiply
    235,361.02x = 324,798.60 × 127,930.78
  4. Step 4: Simplify right side
    235,361.02x = 41,551,738,240.91
  5. Step 5: Solve for x
    x = 41,551,738,240.91/235,361.02
  6. Step 6: Final answer
    x = 176,544.69

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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.