Finding the Fourth Proportional to 173,965.12, 260,865.36 and 67,398.96
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Solution
The fourth proportional to 173,965.12, 260,865.36 and 67,398.96 is: 101,066.55
Step by Step Solution
- Step 1: Write the proportion equation
173,965.12 : 260,865.36 = 67,398.96 : x - Step 2: Convert to fraction form
173,965.12/260,865.36 = 67,398.96/x - Step 3: Cross multiply
173,965.12x = 260,865.36 × 67,398.96 - Step 4: Simplify right side
173,965.12x = 17,582,053,964.03 - Step 5: Solve for x
x = 17,582,053,964.03/173,965.12 - Step 6: Final answer
x = 101,066.55
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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.