Finding the Fourth Proportional to 220,376.33, 330,370.62 and 87,349.96
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Solution
The fourth proportional to 220,376.33, 330,370.62 and 87,349.96 is: 130,948.09
Step by Step Solution
- Step 1: Write the proportion equation
220,376.33 : 330,370.62 = 87,349.96 : x - Step 2: Convert to fraction form
220,376.33/330,370.62 = 87,349.96/x - Step 3: Cross multiply
220,376.33x = 330,370.62 × 87,349.96 - Step 4: Simplify right side
220,376.33x = 28,857,860,442.18 - Step 5: Solve for x
x = 28,857,860,442.18/220,376.33 - Step 6: Final answer
x = 130,948.09
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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.