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Finding the Fourth Proportional to 304,671.60, 457,007.40 and 80,017.20

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Solution

The fourth proportional to 304,671.60, 457,007.40 and 80,017.20 is: 120,025.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,671.60 : 457,007.40 = 80,017.20 : x
  2. Step 2: Convert to fraction form
    304,671.60/457,007.40 = 80,017.20/x
  3. Step 3: Cross multiply
    304,671.60x = 457,007.40 × 80,017.20
  4. Step 4: Simplify right side
    304,671.60x = 36,568,452,527.28
  5. Step 5: Solve for x
    x = 36,568,452,527.28/304,671.60
  6. Step 6: Final answer
    x = 120,025.80

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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.