Home / 371,320.31-556,481.56-202,587.80

Finding the Fourth Proportional to 371,320.31, 556,481.56 and 202,587.80

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Solution

The fourth proportional to 371,320.31, 556,481.56 and 202,587.80 is: 303,609.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,320.31 : 556,481.56 = 202,587.80 : x
  2. Step 2: Convert to fraction form
    371,320.31/556,481.56 = 202,587.80/x
  3. Step 3: Cross multiply
    371,320.31x = 556,481.56 × 202,587.80
  4. Step 4: Simplify right side
    371,320.31x = 112,736,371,185.62
  5. Step 5: Solve for x
    x = 112,736,371,185.62/371,320.31
  6. Step 6: Final answer
    x = 303,609.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.