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Finding the Fourth Proportional to 277,306.00, 415,959.01 and 90,317.50

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Solution

The fourth proportional to 277,306.00, 415,959.01 and 90,317.50 is: 135,476.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,306.00 : 415,959.01 = 90,317.50 : x
  2. Step 2: Convert to fraction form
    277,306.00/415,959.01 = 90,317.50/x
  3. Step 3: Cross multiply
    277,306.00x = 415,959.01 × 90,317.50
  4. Step 4: Simplify right side
    277,306.00x = 37,568,376,619.98
  5. Step 5: Solve for x
    x = 37,568,376,619.98/277,306.00
  6. Step 6: Final answer
    x = 135,476.25

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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.