Home / 279,964.15-386,210.10-177,823.02

Finding the Fourth Proportional to 279,964.15, 386,210.10 and 177,823.02

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Solution

The fourth proportional to 279,964.15, 386,210.10 and 177,823.02 is: 245,306.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,964.15 : 386,210.10 = 177,823.02 : x
  2. Step 2: Convert to fraction form
    279,964.15/386,210.10 = 177,823.02/x
  3. Step 3: Cross multiply
    279,964.15x = 386,210.10 × 177,823.02
  4. Step 4: Simplify right side
    279,964.15x = 68,677,046,336.50
  5. Step 5: Solve for x
    x = 68,677,046,336.50/279,964.15
  6. Step 6: Final answer
    x = 245,306.57

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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.