Home / 371,949.76-513,290.28-202,185.10

Finding the Fourth Proportional to 371,949.76, 513,290.28 and 202,185.10

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Solution

The fourth proportional to 371,949.76, 513,290.28 and 202,185.10 is: 279,015.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,949.76 : 513,290.28 = 202,185.10 : x
  2. Step 2: Convert to fraction form
    371,949.76/513,290.28 = 202,185.10/x
  3. Step 3: Cross multiply
    371,949.76x = 513,290.28 × 202,185.10
  4. Step 4: Simplify right side
    371,949.76x = 103,779,646,590.83
  5. Step 5: Solve for x
    x = 103,779,646,590.83/371,949.76
  6. Step 6: Final answer
    x = 279,015.23

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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.