Finding the Fourth Proportional to 354,513.40, 532,115.70 and 177,220.60
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Solution
The fourth proportional to 354,513.40, 532,115.70 and 177,220.60 is: 266,003.66
Step by Step Solution
- Step 1: Write the proportion equation
354,513.40 : 532,115.70 = 177,220.60 : x - Step 2: Convert to fraction form
354,513.40/532,115.70 = 177,220.60/x - Step 3: Cross multiply
354,513.40x = 532,115.70 × 177,220.60 - Step 4: Simplify right side
354,513.40x = 94,301,863,623.42 - Step 5: Solve for x
x = 94,301,863,623.42/354,513.40 - Step 6: Final answer
x = 266,003.66
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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.