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Finding the Fourth Proportional to 330,695.28, 456,357.24 and 179,792.28

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Solution

The fourth proportional to 330,695.28, 456,357.24 and 179,792.28 is: 248,112.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,695.28 : 456,357.24 = 179,792.28 : x
  2. Step 2: Convert to fraction form
    330,695.28/456,357.24 = 179,792.28/x
  3. Step 3: Cross multiply
    330,695.28x = 456,357.24 × 179,792.28
  4. Step 4: Simplify right side
    330,695.28x = 82,049,508,674.11
  5. Step 5: Solve for x
    x = 82,049,508,674.11/330,695.28
  6. Step 6: Final answer
    x = 248,112.13

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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.