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Finding the Fourth Proportional to 330,164.60, 495,246.90 and 310,481.60

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Solution

The fourth proportional to 330,164.60, 495,246.90 and 310,481.60 is: 465,722.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,164.60 : 495,246.90 = 310,481.60 : x
  2. Step 2: Convert to fraction form
    330,164.60/495,246.90 = 310,481.60/x
  3. Step 3: Cross multiply
    330,164.60x = 495,246.90 × 310,481.60
  4. Step 4: Simplify right side
    330,164.60x = 153,765,049,907.04
  5. Step 5: Solve for x
    x = 153,765,049,907.04/330,164.60
  6. Step 6: Final answer
    x = 465,722.40

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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.