Home / 276,904.58-382,128.67-149,580.18

Finding the Fourth Proportional to 276,904.58, 382,128.67 and 149,580.18

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Solution

The fourth proportional to 276,904.58, 382,128.67 and 149,580.18 is: 206,420.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,904.58 : 382,128.67 = 149,580.18 : x
  2. Step 2: Convert to fraction form
    276,904.58/382,128.67 = 149,580.18/x
  3. Step 3: Cross multiply
    276,904.58x = 382,128.67 × 149,580.18
  4. Step 4: Simplify right side
    276,904.58x = 57,158,873,512.61
  5. Step 5: Solve for x
    x = 57,158,873,512.61/276,904.58
  6. Step 6: Final answer
    x = 206,420.83

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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.