Home / 371,827.20-513,124.78-202,061.30

Finding the Fourth Proportional to 371,827.20, 513,124.78 and 202,061.30

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Solution

The fourth proportional to 371,827.20, 513,124.78 and 202,061.30 is: 278,846.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,827.20 : 513,124.78 = 202,061.30 : x
  2. Step 2: Convert to fraction form
    371,827.20/513,124.78 = 202,061.30/x
  3. Step 3: Cross multiply
    371,827.20x = 513,124.78 × 202,061.30
  4. Step 4: Simplify right side
    371,827.20x = 103,682,660,109.01
  5. Step 5: Solve for x
    x = 103,682,660,109.01/371,827.20
  6. Step 6: Final answer
    x = 278,846.36

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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.