Home / 307,456.16-424,289.68-166,144.16

Finding the Fourth Proportional to 307,456.16, 424,289.68 and 166,144.16

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Solution

The fourth proportional to 307,456.16, 424,289.68 and 166,144.16 is: 229,279.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,456.16 : 424,289.68 = 166,144.16 : x
  2. Step 2: Convert to fraction form
    307,456.16/424,289.68 = 166,144.16/x
  3. Step 3: Cross multiply
    307,456.16x = 424,289.68 × 166,144.16
  4. Step 4: Simplify right side
    307,456.16x = 70,493,252,480.27
  5. Step 5: Solve for x
    x = 70,493,252,480.27/307,456.16
  6. Step 6: Final answer
    x = 229,279.04

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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.