Finding the Fourth Proportional to 209,132.03, 288,601.23 and 118,487.79
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Solution
The fourth proportional to 209,132.03, 288,601.23 and 118,487.79 is: 163,512.60
Step by Step Solution
- Step 1: Write the proportion equation
209,132.03 : 288,601.23 = 118,487.79 : x - Step 2: Convert to fraction form
209,132.03/288,601.23 = 118,487.79/x - Step 3: Cross multiply
209,132.03x = 288,601.23 × 118,487.79 - Step 4: Simplify right side
209,132.03x = 34,195,720,900.13 - Step 5: Solve for x
x = 34,195,720,900.13/209,132.03 - Step 6: Final answer
x = 163,512.60
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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.