Finding the Fourth Proportional to 215,331.19, 322,873.70 and 65,527.18
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Solution
The fourth proportional to 215,331.19, 322,873.70 and 65,527.18 is: 98,253.31
Step by Step Solution
- Step 1: Write the proportion equation
215,331.19 : 322,873.70 = 65,527.18 : x - Step 2: Convert to fraction form
215,331.19/322,873.70 = 65,527.18/x - Step 3: Cross multiply
215,331.19x = 322,873.70 × 65,527.18 - Step 4: Simplify right side
215,331.19x = 21,157,003,057.17 - Step 5: Solve for x
x = 21,157,003,057.17/215,331.19 - Step 6: Final answer
x = 98,253.31
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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.