Finding the Fourth Proportional to 133,062.60, 199,593.90 and 115,177.80
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Solution
The fourth proportional to 133,062.60, 199,593.90 and 115,177.80 is: 172,766.70
Step by Step Solution
- Step 1: Write the proportion equation
133,062.60 : 199,593.90 = 115,177.80 : x - Step 2: Convert to fraction form
133,062.60/199,593.90 = 115,177.80/x - Step 3: Cross multiply
133,062.60x = 199,593.90 × 115,177.80 - Step 4: Simplify right side
133,062.60x = 22,988,786,295.42 - Step 5: Solve for x
x = 22,988,786,295.42/133,062.60 - Step 6: Final answer
x = 172,766.70
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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.