Home / 371,996.35-513,359.27-206,427.72

Finding the Fourth Proportional to 371,996.35, 513,359.27 and 206,427.72

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Solution

The fourth proportional to 371,996.35, 513,359.27 and 206,427.72 is: 284,872.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,996.35 : 513,359.27 = 206,427.72 : x
  2. Step 2: Convert to fraction form
    371,996.35/513,359.27 = 206,427.72/x
  3. Step 3: Cross multiply
    371,996.35x = 513,359.27 × 206,427.72
  4. Step 4: Simplify right side
    371,996.35x = 105,971,581,635.71
  5. Step 5: Solve for x
    x = 105,971,581,635.71/371,996.35
  6. Step 6: Final answer
    x = 284,872.64

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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.