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Finding the Fourth Proportional to 144,099.33, 216,140.46 and 44,260.48

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Solution

The fourth proportional to 144,099.33, 216,140.46 and 44,260.48 is: 66,388.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,099.33 : 216,140.46 = 44,260.48 : x
  2. Step 2: Convert to fraction form
    144,099.33/216,140.46 = 44,260.48/x
  3. Step 3: Cross multiply
    144,099.33x = 216,140.46 × 44,260.48
  4. Step 4: Simplify right side
    144,099.33x = 9,566,480,507.02
  5. Step 5: Solve for x
    x = 9,566,480,507.02/144,099.33
  6. Step 6: Final answer
    x = 66,388.10

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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.