Home / 307,550.28-424,042.38-252,911.56

Finding the Fourth Proportional to 307,550.28, 424,042.38 and 252,911.56

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Solution

The fourth proportional to 307,550.28, 424,042.38 and 252,911.56 is: 348,707.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,550.28 : 424,042.38 = 252,911.56 : x
  2. Step 2: Convert to fraction form
    307,550.28/424,042.38 = 252,911.56/x
  3. Step 3: Cross multiply
    307,550.28x = 424,042.38 × 252,911.56
  4. Step 4: Simplify right side
    307,550.28x = 107,245,219,831.91
  5. Step 5: Solve for x
    x = 107,245,219,831.91/307,550.28
  6. Step 6: Final answer
    x = 348,707.92

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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.