Home / 307,494.20-424,171.41-180,145.19

Finding the Fourth Proportional to 307,494.20, 424,171.41 and 180,145.19

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Solution

The fourth proportional to 307,494.20, 424,171.41 and 180,145.19 is: 248,500.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,494.20 : 424,171.41 = 180,145.19 : x
  2. Step 2: Convert to fraction form
    307,494.20/424,171.41 = 180,145.19/x
  3. Step 3: Cross multiply
    307,494.20x = 424,171.41 × 180,145.19
  4. Step 4: Simplify right side
    307,494.20x = 76,412,439,247.02
  5. Step 5: Solve for x
    x = 76,412,439,247.02/307,494.20
  6. Step 6: Final answer
    x = 248,500.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.