Home / 371,853.46-513,161.76-202,087.60

Finding the Fourth Proportional to 371,853.46, 513,161.76 and 202,087.60

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Solution

The fourth proportional to 371,853.46, 513,161.76 and 202,087.60 is: 278,883.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,853.46 : 513,161.76 = 202,087.60 : x
  2. Step 2: Convert to fraction form
    371,853.46/513,161.76 = 202,087.60/x
  3. Step 3: Cross multiply
    371,853.46x = 513,161.76 × 202,087.60
  4. Step 4: Simplify right side
    371,853.46x = 103,703,628,490.18
  5. Step 5: Solve for x
    x = 103,703,628,490.18/371,853.46
  6. Step 6: Final answer
    x = 278,883.05

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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.