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Finding the Fourth Proportional to 239,728.98, 359,652.02 and 79,804.61

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Solution

The fourth proportional to 239,728.98, 359,652.02 and 79,804.61 is: 119,726.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,728.98 : 359,652.02 = 79,804.61 : x
  2. Step 2: Convert to fraction form
    239,728.98/359,652.02 = 79,804.61/x
  3. Step 3: Cross multiply
    239,728.98x = 359,652.02 × 79,804.61
  4. Step 4: Simplify right side
    239,728.98x = 28,701,886,994.53
  5. Step 5: Solve for x
    x = 28,701,886,994.53/239,728.98
  6. Step 6: Final answer
    x = 119,726.40

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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.