Home / 280,152.41-386,628.62-159,304.97

Finding the Fourth Proportional to 280,152.41, 386,628.62 and 159,304.97

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Solution

The fourth proportional to 280,152.41, 386,628.62 and 159,304.97 is: 219,851.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,152.41 : 386,628.62 = 159,304.97 : x
  2. Step 2: Convert to fraction form
    280,152.41/386,628.62 = 159,304.97/x
  3. Step 3: Cross multiply
    280,152.41x = 386,628.62 × 159,304.97
  4. Step 4: Simplify right side
    280,152.41x = 61,591,860,880.29
  5. Step 5: Solve for x
    x = 61,591,860,880.29/280,152.41
  6. Step 6: Final answer
    x = 219,851.26

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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.