Finding the Fourth Proportional to 173,235.68, 239,060.40 and 97,791.20
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Solution
The fourth proportional to 173,235.68, 239,060.40 and 97,791.20 is: 134,949.12
Step by Step Solution
- Step 1: Write the proportion equation
173,235.68 : 239,060.40 = 97,791.20 : x - Step 2: Convert to fraction form
173,235.68/239,060.40 = 97,791.20/x - Step 3: Cross multiply
173,235.68x = 239,060.40 × 97,791.20 - Step 4: Simplify right side
173,235.68x = 23,378,003,388.48 - Step 5: Solve for x
x = 23,378,003,388.48/173,235.68 - Step 6: Final answer
x = 134,949.12
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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.