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Finding the Fourth Proportional to 307,586.20, 460,860.90 and 149,474.20

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Solution

The fourth proportional to 307,586.20, 460,860.90 and 149,474.20 is: 223,959.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,586.20 : 460,860.90 = 149,474.20 : x
  2. Step 2: Convert to fraction form
    307,586.20/460,860.90 = 149,474.20/x
  3. Step 3: Cross multiply
    307,586.20x = 460,860.90 × 149,474.20
  4. Step 4: Simplify right side
    307,586.20x = 68,886,814,338.78
  5. Step 5: Solve for x
    x = 68,886,814,338.78/307,586.20
  6. Step 6: Final answer
    x = 223,959.38

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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.