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Finding the Fourth Proportional to 247,266.26, 370,322.56 and 180,540.89

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Solution

The fourth proportional to 247,266.26, 370,322.56 and 180,540.89 is: 270,390.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,266.26 : 370,322.56 = 180,540.89 : x
  2. Step 2: Convert to fraction form
    247,266.26/370,322.56 = 180,540.89/x
  3. Step 3: Cross multiply
    247,266.26x = 370,322.56 × 180,540.89
  4. Step 4: Simplify right side
    247,266.26x = 66,858,364,569.48
  5. Step 5: Solve for x
    x = 66,858,364,569.48/247,266.26
  6. Step 6: Final answer
    x = 270,390.16

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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.