Home / 226,426.40-339,639.60-207,072.80

Finding the Fourth Proportional to 226,426.40, 339,639.60 and 207,072.80

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Solution

The fourth proportional to 226,426.40, 339,639.60 and 207,072.80 is: 310,609.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,426.40 : 339,639.60 = 207,072.80 : x
  2. Step 2: Convert to fraction form
    226,426.40/339,639.60 = 207,072.80/x
  3. Step 3: Cross multiply
    226,426.40x = 339,639.60 × 207,072.80
  4. Step 4: Simplify right side
    226,426.40x = 70,330,122,962.88
  5. Step 5: Solve for x
    x = 70,330,122,962.88/226,426.40
  6. Step 6: Final answer
    x = 310,609.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.