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Finding the Fourth Proportional to 240,364.82, 360,292.98 and 90,540.28

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Solution

The fourth proportional to 240,364.82, 360,292.98 and 90,540.28 is: 135,714.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,364.82 : 360,292.98 = 90,540.28 : x
  2. Step 2: Convert to fraction form
    240,364.82/360,292.98 = 90,540.28/x
  3. Step 3: Cross multiply
    240,364.82x = 360,292.98 × 90,540.28
  4. Step 4: Simplify right side
    240,364.82x = 32,621,027,291.23
  5. Step 5: Solve for x
    x = 32,621,027,291.23/240,364.82
  6. Step 6: Final answer
    x = 135,714.65

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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.