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Finding the Fourth Proportional to 300,888.03, 415,268.04 and 186,203.61

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Solution

The fourth proportional to 300,888.03, 415,268.04 and 186,203.61 is: 256,987.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,888.03 : 415,268.04 = 186,203.61 : x
  2. Step 2: Convert to fraction form
    300,888.03/415,268.04 = 186,203.61/x
  3. Step 3: Cross multiply
    300,888.03x = 415,268.04 × 186,203.61
  4. Step 4: Simplify right side
    300,888.03x = 77,324,408,165.62
  5. Step 5: Solve for x
    x = 77,324,408,165.62/300,888.03
  6. Step 6: Final answer
    x = 256,987.32

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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.