Home / 266,290.22-367,478.64-145,431.54

Finding the Fourth Proportional to 266,290.22, 367,478.64 and 145,431.54

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Solution

The fourth proportional to 266,290.22, 367,478.64 and 145,431.54 is: 200,694.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,290.22 : 367,478.64 = 145,431.54 : x
  2. Step 2: Convert to fraction form
    266,290.22/367,478.64 = 145,431.54/x
  3. Step 3: Cross multiply
    266,290.22x = 367,478.64 × 145,431.54
  4. Step 4: Simplify right side
    266,290.22x = 53,442,983,805.15
  5. Step 5: Solve for x
    x = 53,442,983,805.15/266,290.22
  6. Step 6: Final answer
    x = 200,694.50

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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.