Home / 226,700.46-312,891.30-129,969.24

Finding the Fourth Proportional to 226,700.46, 312,891.30 and 129,969.24

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Solution

The fourth proportional to 226,700.46, 312,891.30 and 129,969.24 is: 179,383.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,700.46 : 312,891.30 = 129,969.24 : x
  2. Step 2: Convert to fraction form
    226,700.46/312,891.30 = 129,969.24/x
  3. Step 3: Cross multiply
    226,700.46x = 312,891.30 × 129,969.24
  4. Step 4: Simplify right side
    226,700.46x = 40,666,244,463.61
  5. Step 5: Solve for x
    x = 40,666,244,463.61/226,700.46
  6. Step 6: Final answer
    x = 179,383.16

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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.