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Finding the Fourth Proportional to 252,415.52, 377,952.60 and 152,440.46

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Solution

The fourth proportional to 252,415.52, 377,952.60 and 152,440.46 is: 228,255.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,415.52 : 377,952.60 = 152,440.46 : x
  2. Step 2: Convert to fraction form
    252,415.52/377,952.60 = 152,440.46/x
  3. Step 3: Cross multiply
    252,415.52x = 377,952.60 × 152,440.46
  4. Step 4: Simplify right side
    252,415.52x = 57,615,268,202.20
  5. Step 5: Solve for x
    x = 57,615,268,202.20/252,415.52
  6. Step 6: Final answer
    x = 228,255.65

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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.