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Finding the Fourth Proportional to 240,364.57, 360,292.61 and 90,540.03

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Solution

The fourth proportional to 240,364.57, 360,292.61 and 90,540.03 is: 135,714.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,364.57 : 360,292.61 = 90,540.03 : x
  2. Step 2: Convert to fraction form
    240,364.57/360,292.61 = 90,540.03/x
  3. Step 3: Cross multiply
    240,364.57x = 360,292.61 × 90,540.03
  4. Step 4: Simplify right side
    240,364.57x = 32,620,903,718.18
  5. Step 5: Solve for x
    x = 32,620,903,718.18/240,364.57
  6. Step 6: Final answer
    x = 135,714.28

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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.