Home / 456,160.20-684,305.10-140,584.20

Finding the Fourth Proportional to 456,160.20, 684,305.10 and 140,584.20

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Solution

The fourth proportional to 456,160.20, 684,305.10 and 140,584.20 is: 210,896.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,160.20 : 684,305.10 = 140,584.20 : x
  2. Step 2: Convert to fraction form
    456,160.20/684,305.10 = 140,584.20/x
  3. Step 3: Cross multiply
    456,160.20x = 684,305.10 × 140,584.20
  4. Step 4: Simplify right side
    456,160.20x = 96,202,485,039.42
  5. Step 5: Solve for x
    x = 96,202,485,039.42/456,160.20
  6. Step 6: Final answer
    x = 210,896.27

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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.