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Finding the Fourth Proportional to 133,054, 199,589.28 and 44,315.44

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Solution

The fourth proportional to 133,054, 199,589.28 and 44,315.44 is: 66,475.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,054 : 199,589.28 = 44,315.44 : x
  2. Step 2: Convert to fraction form
    133,054/199,589.28 = 44,315.44/x
  3. Step 3: Cross multiply
    133,054x = 199,589.28 × 44,315.44
  4. Step 4: Simplify right side
    133,054x = 8,844,886,762.48
  5. Step 5: Solve for x
    x = 8,844,886,762.48/133,054
  6. Step 6: Final answer
    x = 66,475.92

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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.