Home / 468,286.46-646,236.11-253,426.69

Finding the Fourth Proportional to 468,286.46, 646,236.11 and 253,426.69

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Solution

The fourth proportional to 468,286.46, 646,236.11 and 253,426.69 is: 349,729.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,286.46 : 646,236.11 = 253,426.69 : x
  2. Step 2: Convert to fraction form
    468,286.46/646,236.11 = 253,426.69/x
  3. Step 3: Cross multiply
    468,286.46x = 646,236.11 × 253,426.69
  4. Step 4: Simplify right side
    468,286.46x = 163,773,479,757.14
  5. Step 5: Solve for x
    x = 163,773,479,757.14/468,286.46
  6. Step 6: Final answer
    x = 349,729.27

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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.