Finding the Fourth Proportional to 209,962.28, 289,569.69 and 177,416.14
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Solution
The fourth proportional to 209,962.28, 289,569.69 and 177,416.14 is: 244,683.65
Step by Step Solution
- Step 1: Write the proportion equation
209,962.28 : 289,569.69 = 177,416.14 : x - Step 2: Convert to fraction form
209,962.28/289,569.69 = 177,416.14/x - Step 3: Cross multiply
209,962.28x = 289,569.69 × 177,416.14 - Step 4: Simplify right side
209,962.28x = 51,374,336,660.80 - Step 5: Solve for x
x = 51,374,336,660.80/209,962.28 - Step 6: Final answer
x = 244,683.65
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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.