Finding the Fourth Proportional to 217,740.19, 326,526.31 and 84,602.92
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Solution
The fourth proportional to 217,740.19, 326,526.31 and 84,602.92 is: 126,871.75
Step by Step Solution
- Step 1: Write the proportion equation
217,740.19 : 326,526.31 = 84,602.92 : x - Step 2: Convert to fraction form
217,740.19/326,526.31 = 84,602.92/x - Step 3: Cross multiply
217,740.19x = 326,526.31 × 84,602.92 - Step 4: Simplify right side
217,740.19x = 27,625,079,282.83 - Step 5: Solve for x
x = 27,625,079,282.83/217,740.19 - Step 6: Final answer
x = 126,871.75
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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.