Home / 371,767.12-513,041.75-202,001.24

Finding the Fourth Proportional to 371,767.12, 513,041.75 and 202,001.24

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Solution

The fourth proportional to 371,767.12, 513,041.75 and 202,001.24 is: 278,763.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,767.12 : 513,041.75 = 202,001.24 : x
  2. Step 2: Convert to fraction form
    371,767.12/513,041.75 = 202,001.24/x
  3. Step 3: Cross multiply
    371,767.12x = 513,041.75 × 202,001.24
  4. Step 4: Simplify right side
    371,767.12x = 103,635,070,701.87
  5. Step 5: Solve for x
    x = 103,635,070,701.87/371,767.12
  6. Step 6: Final answer
    x = 278,763.41

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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.