Finding the Fourth Proportional to 209,246.30, 288,753.63 and 113,750.54
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Solution
The fourth proportional to 209,246.30, 288,753.63 and 113,750.54 is: 156,972.34
Step by Step Solution
- Step 1: Write the proportion equation
209,246.30 : 288,753.63 = 113,750.54 : x - Step 2: Convert to fraction form
209,246.30/288,753.63 = 113,750.54/x - Step 3: Cross multiply
209,246.30x = 288,753.63 × 113,750.54 - Step 4: Simplify right side
209,246.30x = 32,845,881,339.46 - Step 5: Solve for x
x = 32,845,881,339.46/209,246.30 - Step 6: Final answer
x = 156,972.34
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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.