Finding the Fourth Proportional to 115,876.84, 173,706.94 and 40,955.08
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Solution
The fourth proportional to 115,876.84, 173,706.94 and 40,955.08 is: 61,394.34
Step by Step Solution
- Step 1: Write the proportion equation
115,876.84 : 173,706.94 = 40,955.08 : x - Step 2: Convert to fraction form
115,876.84/173,706.94 = 40,955.08/x - Step 3: Cross multiply
115,876.84x = 173,706.94 × 40,955.08 - Step 4: Simplify right side
115,876.84x = 7,114,181,624.26 - Step 5: Solve for x
x = 7,114,181,624.26/115,876.84 - Step 6: Final answer
x = 61,394.34
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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.