Finding the Fourth Proportional to 218,148.21, 327,159.09 and 84,998.79
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Solution
The fourth proportional to 218,148.21, 327,159.09 and 84,998.79 is: 127,473.55
Step by Step Solution
- Step 1: Write the proportion equation
218,148.21 : 327,159.09 = 84,998.79 : x - Step 2: Convert to fraction form
218,148.21/327,159.09 = 84,998.79/x - Step 3: Cross multiply
218,148.21x = 327,159.09 × 84,998.79 - Step 4: Simplify right side
218,148.21x = 27,808,126,787.50 - Step 5: Solve for x
x = 27,808,126,787.50/218,148.21 - Step 6: Final answer
x = 127,473.55
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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.