Home / 345,836.28-477,290.76-202,716.57

Finding the Fourth Proportional to 345,836.28, 477,290.76 and 202,716.57

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Solution

The fourth proportional to 345,836.28, 477,290.76 and 202,716.57 is: 279,770.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,836.28 : 477,290.76 = 202,716.57 : x
  2. Step 2: Convert to fraction form
    345,836.28/477,290.76 = 202,716.57/x
  3. Step 3: Cross multiply
    345,836.28x = 477,290.76 × 202,716.57
  4. Step 4: Simplify right side
    345,836.28x = 96,754,745,759.89
  5. Step 5: Solve for x
    x = 96,754,745,759.89/345,836.28
  6. Step 6: Final answer
    x = 279,770.38

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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.