Home / 307,622.34-424,518.26-171,648.09

Finding the Fourth Proportional to 307,622.34, 424,518.26 and 171,648.09

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Solution

The fourth proportional to 307,622.34, 424,518.26 and 171,648.09 is: 236,874.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,622.34 : 424,518.26 = 171,648.09 : x
  2. Step 2: Convert to fraction form
    307,622.34/424,518.26 = 171,648.09/x
  3. Step 3: Cross multiply
    307,622.34x = 424,518.26 × 171,648.09
  4. Step 4: Simplify right side
    307,622.34x = 72,867,747,640.88
  5. Step 5: Solve for x
    x = 72,867,747,640.88/307,622.34
  6. Step 6: Final answer
    x = 236,874.04

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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.