Finding the Fourth Proportional to 115,394.12, 173,073.86 and 36,498.09
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Solution
The fourth proportional to 115,394.12, 173,073.86 and 36,498.09 is: 54,741.66
Step by Step Solution
- Step 1: Write the proportion equation
115,394.12 : 173,073.86 = 36,498.09 : x - Step 2: Convert to fraction form
115,394.12/173,073.86 = 36,498.09/x - Step 3: Cross multiply
115,394.12x = 173,073.86 × 36,498.09 - Step 4: Simplify right side
115,394.12x = 6,316,866,127.63 - Step 5: Solve for x
x = 6,316,866,127.63/115,394.12 - Step 6: Final answer
x = 54,741.66
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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.