Home / 306,694.20-423,250.38-170,733.72

Finding the Fourth Proportional to 306,694.20, 423,250.38 and 170,733.72

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Solution

The fourth proportional to 306,694.20, 423,250.38 and 170,733.72 is: 235,619.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,694.20 : 423,250.38 = 170,733.72 : x
  2. Step 2: Convert to fraction form
    306,694.20/423,250.38 = 170,733.72/x
  3. Step 3: Cross multiply
    306,694.20x = 423,250.38 × 170,733.72
  4. Step 4: Simplify right side
    306,694.20x = 72,263,111,868.81
  5. Step 5: Solve for x
    x = 72,263,111,868.81/306,694.20
  6. Step 6: Final answer
    x = 235,619.43

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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.