Finding the Fourth Proportional to 222,489.40, 334,511.70 and 217,823.80
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Solution
The fourth proportional to 222,489.40, 334,511.70 and 217,823.80 is: 327,496.99
Step by Step Solution
- Step 1: Write the proportion equation
222,489.40 : 334,511.70 = 217,823.80 : x - Step 2: Convert to fraction form
222,489.40/334,511.70 = 217,823.80/x - Step 3: Cross multiply
222,489.40x = 334,511.70 × 217,823.80 - Step 4: Simplify right side
222,489.40x = 72,864,609,638.46 - Step 5: Solve for x
x = 72,864,609,638.46/222,489.40 - Step 6: Final answer
x = 327,496.99
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1.5x scale
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.