Home / 345,476.28-476,758.26-200,310.24

Finding the Fourth Proportional to 345,476.28, 476,758.26 and 200,310.24

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Solution

The fourth proportional to 345,476.28, 476,758.26 and 200,310.24 is: 276,428.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,476.28 : 476,758.26 = 200,310.24 : x
  2. Step 2: Convert to fraction form
    345,476.28/476,758.26 = 200,310.24/x
  3. Step 3: Cross multiply
    345,476.28x = 476,758.26 × 200,310.24
  4. Step 4: Simplify right side
    345,476.28x = 95,499,561,482.58
  5. Step 5: Solve for x
    x = 95,499,561,482.58/345,476.28
  6. Step 6: Final answer
    x = 276,428.71

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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.