Home / 204,038.80-306,058.20-202,872.40

Finding the Fourth Proportional to 204,038.80, 306,058.20 and 202,872.40

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Solution

The fourth proportional to 204,038.80, 306,058.20 and 202,872.40 is: 304,308.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,038.80 : 306,058.20 = 202,872.40 : x
  2. Step 2: Convert to fraction form
    204,038.80/306,058.20 = 202,872.40/x
  3. Step 3: Cross multiply
    204,038.80x = 306,058.20 × 202,872.40
  4. Step 4: Simplify right side
    204,038.80x = 62,090,761,573.68
  5. Step 5: Solve for x
    x = 62,090,761,573.68/204,038.80
  6. Step 6: Final answer
    x = 304,308.60

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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.