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Finding the Fourth Proportional to 159,540.20, 239,310.30 and 155,603.60

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Solution

The fourth proportional to 159,540.20, 239,310.30 and 155,603.60 is: 233,405.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,540.20 : 239,310.30 = 155,603.60 : x
  2. Step 2: Convert to fraction form
    159,540.20/239,310.30 = 155,603.60/x
  3. Step 3: Cross multiply
    159,540.20x = 239,310.30 × 155,603.60
  4. Step 4: Simplify right side
    159,540.20x = 37,237,544,197.08
  5. Step 5: Solve for x
    x = 37,237,544,197.08/159,540.20
  6. Step 6: Final answer
    x = 233,405.40

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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.