Home / 206,244.41-309,840.27-145,594.14

Finding the Fourth Proportional to 206,244.41, 309,840.27 and 145,594.14

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Solution

The fourth proportional to 206,244.41, 309,840.27 and 145,594.14 is: 218,725.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,244.41 : 309,840.27 = 145,594.14 : x
  2. Step 2: Convert to fraction form
    206,244.41/309,840.27 = 145,594.14/x
  3. Step 3: Cross multiply
    206,244.41x = 309,840.27 × 145,594.14
  4. Step 4: Simplify right side
    206,244.41x = 45,110,927,648.02
  5. Step 5: Solve for x
    x = 45,110,927,648.02/206,244.41
  6. Step 6: Final answer
    x = 218,725.58

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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.