Home / 371,827.12-513,124.62-202,061.24

Finding the Fourth Proportional to 371,827.12, 513,124.62 and 202,061.24

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Solution

The fourth proportional to 371,827.12, 513,124.62 and 202,061.24 is: 278,846.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,827.12 : 513,124.62 = 202,061.24 : x
  2. Step 2: Convert to fraction form
    371,827.12/513,124.62 = 202,061.24/x
  3. Step 3: Cross multiply
    371,827.12x = 513,124.62 × 202,061.24
  4. Step 4: Simplify right side
    371,827.12x = 103,682,596,991.73
  5. Step 5: Solve for x
    x = 103,682,596,991.73/371,827.12
  6. Step 6: Final answer
    x = 278,846.25

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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.