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Finding the Fourth Proportional to 205,032.60, 307,548.90 and 167,634.90

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Solution

The fourth proportional to 205,032.60, 307,548.90 and 167,634.90 is: 251,452.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,032.60 : 307,548.90 = 167,634.90 : x
  2. Step 2: Convert to fraction form
    205,032.60/307,548.90 = 167,634.90/x
  3. Step 3: Cross multiply
    205,032.60x = 307,548.90 × 167,634.90
  4. Step 4: Simplify right side
    205,032.60x = 51,555,929,096.61
  5. Step 5: Solve for x
    x = 51,555,929,096.61/205,032.60
  6. Step 6: Final answer
    x = 251,452.35

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1.5x scale

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.