Home / 274,955.12-379,462.08-160,227.76

Finding the Fourth Proportional to 274,955.12, 379,462.08 and 160,227.76

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Solution

The fourth proportional to 274,955.12, 379,462.08 and 160,227.76 is: 221,128.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,955.12 : 379,462.08 = 160,227.76 : x
  2. Step 2: Convert to fraction form
    274,955.12/379,462.08 = 160,227.76/x
  3. Step 3: Cross multiply
    274,955.12x = 379,462.08 × 160,227.76
  4. Step 4: Simplify right side
    274,955.12x = 60,800,359,083.34
  5. Step 5: Solve for x
    x = 60,800,359,083.34/274,955.12
  6. Step 6: Final answer
    x = 221,128.30

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1.5x scale

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.