Finding the Fourth Proportional to 144,022.03, 198,735.33 and 79,490.08
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Solution
The fourth proportional to 144,022.03, 198,735.33 and 79,490.08 is: 109,687.99
Step by Step Solution
- Step 1: Write the proportion equation
144,022.03 : 198,735.33 = 79,490.08 : x - Step 2: Convert to fraction form
144,022.03/198,735.33 = 79,490.08/x - Step 3: Cross multiply
144,022.03x = 198,735.33 × 79,490.08 - Step 4: Simplify right side
144,022.03x = 15,797,487,044.52 - Step 5: Solve for x
x = 15,797,487,044.52/144,022.03 - Step 6: Final answer
x = 109,687.99
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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.