Home / 268,440.38-370,438.28-147,580.79

Finding the Fourth Proportional to 268,440.38, 370,438.28 and 147,580.79

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Solution

The fourth proportional to 268,440.38, 370,438.28 and 147,580.79 is: 203,656.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,440.38 : 370,438.28 = 147,580.79 : x
  2. Step 2: Convert to fraction form
    268,440.38/370,438.28 = 147,580.79/x
  3. Step 3: Cross multiply
    268,440.38x = 370,438.28 × 147,580.79
  4. Step 4: Simplify right side
    268,440.38x = 54,669,571,418.55
  5. Step 5: Solve for x
    x = 54,669,571,418.55/268,440.38
  6. Step 6: Final answer
    x = 203,656.29

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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.