Home / 307,217.40-460,826.10-181,246.20

Finding the Fourth Proportional to 307,217.40, 460,826.10 and 181,246.20

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Solution

The fourth proportional to 307,217.40, 460,826.10 and 181,246.20 is: 271,869.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,217.40 : 460,826.10 = 181,246.20 : x
  2. Step 2: Convert to fraction form
    307,217.40/460,826.10 = 181,246.20/x
  3. Step 3: Cross multiply
    307,217.40x = 460,826.10 × 181,246.20
  4. Step 4: Simplify right side
    307,217.40x = 83,522,979,485.82
  5. Step 5: Solve for x
    x = 83,522,979,485.82/307,217.40
  6. Step 6: Final answer
    x = 271,869.30

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Similar ratio
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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.