Finding the Fourth Proportional to 145,691.17, 218,555.89 and 50,922.99
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Solution
The fourth proportional to 145,691.17, 218,555.89 and 50,922.99 is: 76,391.17
Step by Step Solution
- Step 1: Write the proportion equation
145,691.17 : 218,555.89 = 50,922.99 : x - Step 2: Convert to fraction form
145,691.17/218,555.89 = 50,922.99/x - Step 3: Cross multiply
145,691.17x = 218,555.89 × 50,922.99 - Step 4: Simplify right side
145,691.17x = 11,129,519,273.60 - Step 5: Solve for x
x = 11,129,519,273.60/145,691.17 - Step 6: Final answer
x = 76,391.17
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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.