Home / 371,781.32-513,061.35-202,015.46

Finding the Fourth Proportional to 371,781.32, 513,061.35 and 202,015.46

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Solution

The fourth proportional to 371,781.32, 513,061.35 and 202,015.46 is: 278,783.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,781.32 : 513,061.35 = 202,015.46 : x
  2. Step 2: Convert to fraction form
    371,781.32/513,061.35 = 202,015.46/x
  3. Step 3: Cross multiply
    371,781.32x = 513,061.35 × 202,015.46
  4. Step 4: Simplify right side
    371,781.32x = 103,646,324,628.47
  5. Step 5: Solve for x
    x = 103,646,324,628.47/371,781.32
  6. Step 6: Final answer
    x = 278,783.03

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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.