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Finding the Fourth Proportional to 301,054.51, 415,451.80 and 173,727.37

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Solution

The fourth proportional to 301,054.51, 415,451.80 and 173,727.37 is: 239,741.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,054.51 : 415,451.80 = 173,727.37 : x
  2. Step 2: Convert to fraction form
    301,054.51/415,451.80 = 173,727.37/x
  3. Step 3: Cross multiply
    301,054.51x = 415,451.80 × 173,727.37
  4. Step 4: Simplify right side
    301,054.51x = 72,175,348,575.77
  5. Step 5: Solve for x
    x = 72,175,348,575.77/301,054.51
  6. Step 6: Final answer
    x = 239,741.79

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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.