Home / 307,508.06-424,351.50-180,268.40

Finding the Fourth Proportional to 307,508.06, 424,351.50 and 180,268.40

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Solution

The fourth proportional to 307,508.06, 424,351.50 and 180,268.40 is: 248,764.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,508.06 : 424,351.50 = 180,268.40 : x
  2. Step 2: Convert to fraction form
    307,508.06/424,351.50 = 180,268.40/x
  3. Step 3: Cross multiply
    307,508.06x = 424,351.50 × 180,268.40
  4. Step 4: Simplify right side
    307,508.06x = 76,497,165,942.60
  5. Step 5: Solve for x
    x = 76,497,165,942.60/307,508.06
  6. Step 6: Final answer
    x = 248,764.75

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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.