Finding the Fourth Proportional to 109,655.44, 151,324.36 and 59,354.40
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Solution
The fourth proportional to 109,655.44, 151,324.36 and 59,354.40 is: 81,908.99
Step by Step Solution
- Step 1: Write the proportion equation
109,655.44 : 151,324.36 = 59,354.40 : x - Step 2: Convert to fraction form
109,655.44/151,324.36 = 59,354.40/x - Step 3: Cross multiply
109,655.44x = 151,324.36 × 59,354.40 - Step 4: Simplify right side
109,655.44x = 8,981,766,593.18 - Step 5: Solve for x
x = 8,981,766,593.18/109,655.44 - Step 6: Final answer
x = 81,908.99
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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.