Home / 277,306.02-415,959.03-90,317.52

Finding the Fourth Proportional to 277,306.02, 415,959.03 and 90,317.52

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Solution

The fourth proportional to 277,306.02, 415,959.03 and 90,317.52 is: 135,476.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,306.02 : 415,959.03 = 90,317.52 : x
  2. Step 2: Convert to fraction form
    277,306.02/415,959.03 = 90,317.52/x
  3. Step 3: Cross multiply
    277,306.02x = 415,959.03 × 90,317.52
  4. Step 4: Simplify right side
    277,306.02x = 37,568,388,011.21
  5. Step 5: Solve for x
    x = 37,568,388,011.21/277,306.02
  6. Step 6: Final answer
    x = 135,476.28

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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.