Finding the Fourth Proportional to 221,444.14, 331,666.80 and 102,865.94
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Solution
The fourth proportional to 221,444.14, 331,666.80 and 102,865.94 is: 154,066.92
Step by Step Solution
- Step 1: Write the proportion equation
221,444.14 : 331,666.80 = 102,865.94 : x - Step 2: Convert to fraction form
221,444.14/331,666.80 = 102,865.94/x - Step 3: Cross multiply
221,444.14x = 331,666.80 × 102,865.94 - Step 4: Simplify right side
221,444.14x = 34,117,217,148.79 - Step 5: Solve for x
x = 34,117,217,148.79/221,444.14 - Step 6: Final answer
x = 154,066.92
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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.