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Finding the Fourth Proportional to 240,320.44, 360,305.70 and 115,515.64

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Solution

The fourth proportional to 240,320.44, 360,305.70 and 115,515.64 is: 173,189.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,320.44 : 360,305.70 = 115,515.64 : x
  2. Step 2: Convert to fraction form
    240,320.44/360,305.70 = 115,515.64/x
  3. Step 3: Cross multiply
    240,320.44x = 360,305.70 × 115,515.64
  4. Step 4: Simplify right side
    240,320.44x = 41,620,943,531.15
  5. Step 5: Solve for x
    x = 41,620,943,531.15/240,320.44
  6. Step 6: Final answer
    x = 173,189.36

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1.5x scale

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.