Finding the Fourth Proportional to 135,441.18, 187,001.19 and 84,473.82
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Solution
The fourth proportional to 135,441.18, 187,001.19 and 84,473.82 is: 116,631.48
Step by Step Solution
- Step 1: Write the proportion equation
135,441.18 : 187,001.19 = 84,473.82 : x - Step 2: Convert to fraction form
135,441.18/187,001.19 = 84,473.82/x - Step 3: Cross multiply
135,441.18x = 187,001.19 × 84,473.82 - Step 4: Simplify right side
135,441.18x = 15,796,704,863.85 - Step 5: Solve for x
x = 15,796,704,863.85/135,441.18 - Step 6: Final answer
x = 116,631.48
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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.