Home / 338,800.75-467,630-230,089.03

Finding the Fourth Proportional to 338,800.75, 467,630 and 230,089.03

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Solution

The fourth proportional to 338,800.75, 467,630 and 230,089.03 is: 317,580.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,800.75 : 467,630 = 230,089.03 : x
  2. Step 2: Convert to fraction form
    338,800.75/467,630 = 230,089.03/x
  3. Step 3: Cross multiply
    338,800.75x = 467,630 × 230,089.03
  4. Step 4: Simplify right side
    338,800.75x = 107,596,533,098.90
  5. Step 5: Solve for x
    x = 107,596,533,098.90/338,800.75
  6. Step 6: Final answer
    x = 317,580.56

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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.