Finding the Fourth Proportional to 162,357.62, 224,045.18 and 90,723.66
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Solution
The fourth proportional to 162,357.62, 224,045.18 and 90,723.66 is: 125,193.99
Step by Step Solution
- Step 1: Write the proportion equation
162,357.62 : 224,045.18 = 90,723.66 : x - Step 2: Convert to fraction form
162,357.62/224,045.18 = 90,723.66/x - Step 3: Cross multiply
162,357.62x = 224,045.18 × 90,723.66 - Step 4: Simplify right side
162,357.62x = 20,326,198,734.96 - Step 5: Solve for x
x = 20,326,198,734.96/162,357.62 - Step 6: Final answer
x = 125,193.99
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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.