Home / 371,782.46-513,063.04-202,016.58

Finding the Fourth Proportional to 371,782.46, 513,063.04 and 202,016.58

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Solution

The fourth proportional to 371,782.46, 513,063.04 and 202,016.58 is: 278,784.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,782.46 : 513,063.04 = 202,016.58 : x
  2. Step 2: Convert to fraction form
    371,782.46/513,063.04 = 202,016.58/x
  3. Step 3: Cross multiply
    371,782.46x = 513,063.04 × 202,016.58
  4. Step 4: Simplify right side
    371,782.46x = 103,647,240,665.20
  5. Step 5: Solve for x
    x = 103,647,240,665.20/371,782.46
  6. Step 6: Final answer
    x = 278,784.64

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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.