Finding the Fourth Proportional to 226,484.20, 312,565.62 and 135,843.76
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Solution
The fourth proportional to 226,484.20, 312,565.62 and 135,843.76 is: 187,474.84
Step by Step Solution
- Step 1: Write the proportion equation
226,484.20 : 312,565.62 = 135,843.76 : x - Step 2: Convert to fraction form
226,484.20/312,565.62 = 135,843.76/x - Step 3: Cross multiply
226,484.20x = 312,565.62 × 135,843.76 - Step 4: Simplify right side
226,484.20x = 42,460,089,067.53 - Step 5: Solve for x
x = 42,460,089,067.53/226,484.20 - Step 6: Final answer
x = 187,474.84
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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.