Home / 356,517.46-491,947.32-213,225.22

Finding the Fourth Proportional to 356,517.46, 491,947.32 and 213,225.22

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Solution

The fourth proportional to 356,517.46, 491,947.32 and 213,225.22 is: 294,222.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,517.46 : 491,947.32 = 213,225.22 : x
  2. Step 2: Convert to fraction form
    356,517.46/491,947.32 = 213,225.22/x
  3. Step 3: Cross multiply
    356,517.46x = 491,947.32 × 213,225.22
  4. Step 4: Simplify right side
    356,517.46x = 104,895,575,535.41
  5. Step 5: Solve for x
    x = 104,895,575,535.41/356,517.46
  6. Step 6: Final answer
    x = 294,222.83

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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.