Home / 307,401.46-424,213.18-171,435.56

Finding the Fourth Proportional to 307,401.46, 424,213.18 and 171,435.56

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Solution

The fourth proportional to 307,401.46, 424,213.18 and 171,435.56 is: 236,580.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,401.46 : 424,213.18 = 171,435.56 : x
  2. Step 2: Convert to fraction form
    307,401.46/424,213.18 = 171,435.56/x
  3. Step 3: Cross multiply
    307,401.46x = 424,213.18 × 171,435.56
  4. Step 4: Simplify right side
    307,401.46x = 72,725,224,072.68
  5. Step 5: Solve for x
    x = 72,725,224,072.68/307,401.46
  6. Step 6: Final answer
    x = 236,580.61

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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.