Finding the Fourth Proportional to 217,071.18, 325,699.11 and 84,044.88
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Solution
The fourth proportional to 217,071.18, 325,699.11 and 84,044.88 is: 126,103.07
Step by Step Solution
- Step 1: Write the proportion equation
217,071.18 : 325,699.11 = 84,044.88 : x - Step 2: Convert to fraction form
217,071.18/325,699.11 = 84,044.88/x - Step 3: Cross multiply
217,071.18x = 325,699.11 × 84,044.88 - Step 4: Simplify right side
217,071.18x = 27,373,342,616.06 - Step 5: Solve for x
x = 27,373,342,616.06/217,071.18 - Step 6: Final answer
x = 126,103.07
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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.