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Finding the Fourth Proportional to 239,480.76, 359,117.04 and 68,664.86

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Solution

The fourth proportional to 239,480.76, 359,117.04 and 68,664.86 is: 102,967.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,480.76 : 359,117.04 = 68,664.86 : x
  2. Step 2: Convert to fraction form
    239,480.76/359,117.04 = 68,664.86/x
  3. Step 3: Cross multiply
    239,480.76x = 359,117.04 × 68,664.86
  4. Step 4: Simplify right side
    239,480.76x = 24,658,721,275.21
  5. Step 5: Solve for x
    x = 24,658,721,275.21/239,480.76
  6. Step 6: Final answer
    x = 102,967.44

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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.