Finding the Fourth Proportional to 154,812.66, 232,284.74 and 84,609.96
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Solution
The fourth proportional to 154,812.66, 232,284.74 and 84,609.96 is: 126,950.87
Step by Step Solution
- Step 1: Write the proportion equation
154,812.66 : 232,284.74 = 84,609.96 : x - Step 2: Convert to fraction form
154,812.66/232,284.74 = 84,609.96/x - Step 3: Cross multiply
154,812.66x = 232,284.74 × 84,609.96 - Step 4: Simplify right side
154,812.66x = 19,653,602,560.01 - Step 5: Solve for x
x = 19,653,602,560.01/154,812.66 - Step 6: Final answer
x = 126,950.87
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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.