Home / 371,976.56-513,331.32-202,211.12

Finding the Fourth Proportional to 371,976.56, 513,331.32 and 202,211.12

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Solution

The fourth proportional to 371,976.56, 513,331.32 and 202,211.12 is: 279,053.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,976.56 : 513,331.32 = 202,211.12 : x
  2. Step 2: Convert to fraction form
    371,976.56/513,331.32 = 202,211.12/x
  3. Step 3: Cross multiply
    371,976.56x = 513,331.32 × 202,211.12
  4. Step 4: Simplify right side
    371,976.56x = 103,801,301,148.28
  5. Step 5: Solve for x
    x = 103,801,301,148.28/371,976.56
  6. Step 6: Final answer
    x = 279,053.34

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Double scale
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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.