Home / 268,760.20-370,897.77-154,060.55

Finding the Fourth Proportional to 268,760.20, 370,897.77 and 154,060.55

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Solution

The fourth proportional to 268,760.20, 370,897.77 and 154,060.55 is: 212,608.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,760.20 : 370,897.77 = 154,060.55 : x
  2. Step 2: Convert to fraction form
    268,760.20/370,897.77 = 154,060.55/x
  3. Step 3: Cross multiply
    268,760.20x = 370,897.77 × 154,060.55
  4. Step 4: Simplify right side
    268,760.20x = 57,140,713,669.67
  5. Step 5: Solve for x
    x = 57,140,713,669.67/268,760.20
  6. Step 6: Final answer
    x = 212,608.54

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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.