Finding the Fourth Proportional to 115,579.84, 173,391.28 and 36,672.80
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Solution
The fourth proportional to 115,579.84, 173,391.28 and 36,672.80 is: 55,016.03
Step by Step Solution
- Step 1: Write the proportion equation
115,579.84 : 173,391.28 = 36,672.80 : x - Step 2: Convert to fraction form
115,579.84/173,391.28 = 36,672.80/x - Step 3: Cross multiply
115,579.84x = 173,391.28 × 36,672.80 - Step 4: Simplify right side
115,579.84x = 6,358,743,733.18 - Step 5: Solve for x
x = 6,358,743,733.18/115,579.84 - Step 6: Final answer
x = 55,016.03
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.