Home / 326,850.98-451,107.90-272,316.72

Finding the Fourth Proportional to 326,850.98, 451,107.90 and 272,316.72

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Solution

The fourth proportional to 326,850.98, 451,107.90 and 272,316.72 is: 375,841.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,850.98 : 451,107.90 = 272,316.72 : x
  2. Step 2: Convert to fraction form
    326,850.98/451,107.90 = 272,316.72/x
  3. Step 3: Cross multiply
    326,850.98x = 451,107.90 × 272,316.72
  4. Step 4: Simplify right side
    326,850.98x = 122,844,223,694.09
  5. Step 5: Solve for x
    x = 122,844,223,694.09/326,850.98
  6. Step 6: Final answer
    x = 375,841.69

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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.