Finding the Fourth Proportional to 173,113.18, 259,701.36 and 79,616.50
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Solution
The fourth proportional to 173,113.18, 259,701.36 and 79,616.50 is: 119,439.28
Step by Step Solution
- Step 1: Write the proportion equation
173,113.18 : 259,701.36 = 79,616.50 : x - Step 2: Convert to fraction form
173,113.18/259,701.36 = 79,616.50/x - Step 3: Cross multiply
173,113.18x = 259,701.36 × 79,616.50 - Step 4: Simplify right side
173,113.18x = 20,676,513,328.44 - Step 5: Solve for x
x = 20,676,513,328.44/173,113.18 - Step 6: Final answer
x = 119,439.28
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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.