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Finding the Fourth Proportional to 170,201.20, 255,301.80 and 151,830.40

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Solution

The fourth proportional to 170,201.20, 255,301.80 and 151,830.40 is: 227,745.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,201.20 : 255,301.80 = 151,830.40 : x
  2. Step 2: Convert to fraction form
    170,201.20/255,301.80 = 151,830.40/x
  3. Step 3: Cross multiply
    170,201.20x = 255,301.80 × 151,830.40
  4. Step 4: Simplify right side
    170,201.20x = 38,762,574,414.72
  5. Step 5: Solve for x
    x = 38,762,574,414.72/170,201.20
  6. Step 6: Final answer
    x = 227,745.60

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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.