Home / 307,230.21-424,159.34-273,144.35

Finding the Fourth Proportional to 307,230.21, 424,159.34 and 273,144.35

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Solution

The fourth proportional to 307,230.21, 424,159.34 and 273,144.35 is: 377,100.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,230.21 : 424,159.34 = 273,144.35 : x
  2. Step 2: Convert to fraction form
    307,230.21/424,159.34 = 273,144.35/x
  3. Step 3: Cross multiply
    307,230.21x = 424,159.34 × 273,144.35
  4. Step 4: Simplify right side
    307,230.21x = 115,856,723,734.21
  5. Step 5: Solve for x
    x = 115,856,723,734.21/307,230.21
  6. Step 6: Final answer
    x = 377,100.69

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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.