Home / 274,730.19-379,128.83-160,087.48

Finding the Fourth Proportional to 274,730.19, 379,128.83 and 160,087.48

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Solution

The fourth proportional to 274,730.19, 379,128.83 and 160,087.48 is: 220,921.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,730.19 : 379,128.83 = 160,087.48 : x
  2. Step 2: Convert to fraction form
    274,730.19/379,128.83 = 160,087.48/x
  3. Step 3: Cross multiply
    274,730.19x = 379,128.83 × 160,087.48
  4. Step 4: Simplify right side
    274,730.19x = 60,693,777,241.79
  5. Step 5: Solve for x
    x = 60,693,777,241.79/274,730.19
  6. Step 6: Final answer
    x = 220,921.40

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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.