Finding the Fourth Proportional to 229,082.18, 343,415.91 and 81,303.62
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Solution
The fourth proportional to 229,082.18, 343,415.91 and 81,303.62 is: 121,881.84
Step by Step Solution
- Step 1: Write the proportion equation
229,082.18 : 343,415.91 = 81,303.62 : x - Step 2: Convert to fraction form
229,082.18/343,415.91 = 81,303.62/x - Step 3: Cross multiply
229,082.18x = 343,415.91 × 81,303.62 - Step 4: Simplify right side
229,082.18x = 27,920,956,648.59 - Step 5: Solve for x
x = 27,920,956,648.59/229,082.18 - Step 6: Final answer
x = 121,881.84
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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.