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Finding the Fourth Proportional to 293,670.77, 405,460.69 and 225,565.97

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Solution

The fourth proportional to 293,670.77, 405,460.69 and 225,565.97 is: 311,430.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,670.77 : 405,460.69 = 225,565.97 : x
  2. Step 2: Convert to fraction form
    293,670.77/405,460.69 = 225,565.97/x
  3. Step 3: Cross multiply
    293,670.77x = 405,460.69 × 225,565.97
  4. Step 4: Simplify right side
    293,670.77x = 91,458,131,245.50
  5. Step 5: Solve for x
    x = 91,458,131,245.50/293,670.77
  6. Step 6: Final answer
    x = 311,430.83

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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.