Finding the Fourth Proportional to 115,511.84, 173,070.60 and 62,827.28
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Solution
The fourth proportional to 115,511.84, 173,070.60 and 62,827.28 is: 94,133.68
Step by Step Solution
- Step 1: Write the proportion equation
115,511.84 : 173,070.60 = 62,827.28 : x - Step 2: Convert to fraction form
115,511.84/173,070.60 = 62,827.28/x - Step 3: Cross multiply
115,511.84x = 173,070.60 × 62,827.28 - Step 4: Simplify right side
115,511.84x = 10,873,555,045.97 - Step 5: Solve for x
x = 10,873,555,045.97/115,511.84 - Step 6: Final answer
x = 94,133.68
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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.