Finding the Fourth Proportional to 163,832.22, 245,781.12 and 51,540.68
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Solution
The fourth proportional to 163,832.22, 245,781.12 and 51,540.68 is: 77,321.34
Step by Step Solution
- Step 1: Write the proportion equation
163,832.22 : 245,781.12 = 51,540.68 : x - Step 2: Convert to fraction form
163,832.22/245,781.12 = 51,540.68/x - Step 3: Cross multiply
163,832.22x = 245,781.12 × 51,540.68 - Step 4: Simplify right side
163,832.22x = 12,667,726,055.96 - Step 5: Solve for x
x = 12,667,726,055.96/163,832.22 - Step 6: Final answer
x = 77,321.34
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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.