Home / 307,600.64-424,327.20-250,304.48

Finding the Fourth Proportional to 307,600.64, 424,327.20 and 250,304.48

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Solution

The fourth proportional to 307,600.64, 424,327.20 and 250,304.48 is: 345,288.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,600.64 : 424,327.20 = 250,304.48 : x
  2. Step 2: Convert to fraction form
    307,600.64/424,327.20 = 250,304.48/x
  3. Step 3: Cross multiply
    307,600.64x = 424,327.20 × 250,304.48
  4. Step 4: Simplify right side
    307,600.64x = 106,210,999,145.86
  5. Step 5: Solve for x
    x = 106,210,999,145.86/307,600.64
  6. Step 6: Final answer
    x = 345,288.62

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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.