Finding the Fourth Proportional to 118,244.70, 177,476.40 and 59,122.80
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Solution
The fourth proportional to 118,244.70, 177,476.40 and 59,122.80 is: 88,738.88
Step by Step Solution
- Step 1: Write the proportion equation
118,244.70 : 177,476.40 = 59,122.80 : x - Step 2: Convert to fraction form
118,244.70/177,476.40 = 59,122.80/x - Step 3: Cross multiply
118,244.70x = 177,476.40 × 59,122.80 - Step 4: Simplify right side
118,244.70x = 10,492,901,701.92 - Step 5: Solve for x
x = 10,492,901,701.92/118,244.70 - Step 6: Final answer
x = 88,738.88
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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.