Finding the Fourth Proportional to 212,647.32, 319,058.82 and 107,497.08
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Solution
The fourth proportional to 212,647.32, 319,058.82 and 107,497.08 is: 161,290.02
Step by Step Solution
- Step 1: Write the proportion equation
212,647.32 : 319,058.82 = 107,497.08 : x - Step 2: Convert to fraction form
212,647.32/319,058.82 = 107,497.08/x - Step 3: Cross multiply
212,647.32x = 319,058.82 × 107,497.08 - Step 4: Simplify right side
212,647.32x = 34,297,891,498.25 - Step 5: Solve for x
x = 34,297,891,498.25/212,647.32 - Step 6: Final answer
x = 161,290.02
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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.