Finding the Fourth Proportional to 221,102.12, 331,651.80 and 63,330.84
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Solution
The fourth proportional to 221,102.12, 331,651.80 and 63,330.84 is: 94,995.86
Step by Step Solution
- Step 1: Write the proportion equation
221,102.12 : 331,651.80 = 63,330.84 : x - Step 2: Convert to fraction form
221,102.12/331,651.80 = 63,330.84/x - Step 3: Cross multiply
221,102.12x = 331,651.80 × 63,330.84 - Step 4: Simplify right side
221,102.12x = 21,003,787,081.51 - Step 5: Solve for x
x = 21,003,787,081.51/221,102.12 - Step 6: Final answer
x = 94,995.86
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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.