Home / 200,012.40-299,979-57,874.32

Finding the Fourth Proportional to 200,012.40, 299,979 and 57,874.32

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Solution

The fourth proportional to 200,012.40, 299,979 and 57,874.32 is: 86,800.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,012.40 : 299,979 = 57,874.32 : x
  2. Step 2: Convert to fraction form
    200,012.40/299,979 = 57,874.32/x
  3. Step 3: Cross multiply
    200,012.40x = 299,979 × 57,874.32
  4. Step 4: Simplify right side
    200,012.40x = 17,361,080,639.28
  5. Step 5: Solve for x
    x = 17,361,080,639.28/200,012.40
  6. Step 6: Final answer
    x = 86,800.02

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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.