Home / 306,206.93-422,579.63-170,254.85

Finding the Fourth Proportional to 306,206.93, 422,579.63 and 170,254.85

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Solution

The fourth proportional to 306,206.93, 422,579.63 and 170,254.85 is: 234,959.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,206.93 : 422,579.63 = 170,254.85 : x
  2. Step 2: Convert to fraction form
    306,206.93/422,579.63 = 170,254.85/x
  3. Step 3: Cross multiply
    306,206.93x = 422,579.63 × 170,254.85
  4. Step 4: Simplify right side
    306,206.93x = 71,946,229,831.44
  5. Step 5: Solve for x
    x = 71,946,229,831.44/306,206.93
  6. Step 6: Final answer
    x = 234,959.51

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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.