Home / 371,947.03-513,287.24-202,181.16

Finding the Fourth Proportional to 371,947.03, 513,287.24 and 202,181.16

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Solution

The fourth proportional to 371,947.03, 513,287.24 and 202,181.16 is: 279,010.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,947.03 : 513,287.24 = 202,181.16 : x
  2. Step 2: Convert to fraction form
    371,947.03/513,287.24 = 202,181.16/x
  3. Step 3: Cross multiply
    371,947.03x = 513,287.24 × 202,181.16
  4. Step 4: Simplify right side
    371,947.03x = 103,777,009,596.40
  5. Step 5: Solve for x
    x = 103,777,009,596.40/371,947.03
  6. Step 6: Final answer
    x = 279,010.18

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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.