Finding the Fourth Proportional to 209,246.39, 288,488.98 and 135,527.66
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Solution
The fourth proportional to 209,246.39, 288,488.98 and 135,527.66 is: 186,852.62
Step by Step Solution
- Step 1: Write the proportion equation
209,246.39 : 288,488.98 = 135,527.66 : x - Step 2: Convert to fraction form
209,246.39/288,488.98 = 135,527.66/x - Step 3: Cross multiply
209,246.39x = 288,488.98 × 135,527.66 - Step 4: Simplify right side
209,246.39x = 39,098,236,395.19 - Step 5: Solve for x
x = 39,098,236,395.19/209,246.39 - Step 6: Final answer
x = 186,852.62
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.