Home / 205,418.40-307,690.20-166,052.40

Finding the Fourth Proportional to 205,418.40, 307,690.20 and 166,052.40

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Solution

The fourth proportional to 205,418.40, 307,690.20 and 166,052.40 is: 248,725.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,418.40 : 307,690.20 = 166,052.40 : x
  2. Step 2: Convert to fraction form
    205,418.40/307,690.20 = 166,052.40/x
  3. Step 3: Cross multiply
    205,418.40x = 307,690.20 × 166,052.40
  4. Step 4: Simplify right side
    205,418.40x = 51,092,696,166.48
  5. Step 5: Solve for x
    x = 51,092,696,166.48/205,418.40
  6. Step 6: Final answer
    x = 248,725.02

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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.