Finding the Fourth Proportional to 144,294.18, 199,125.65 and 80,631.99
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Solution
The fourth proportional to 144,294.18, 199,125.65 and 80,631.99 is: 111,271.97
Step by Step Solution
- Step 1: Write the proportion equation
144,294.18 : 199,125.65 = 80,631.99 : x - Step 2: Convert to fraction form
144,294.18/199,125.65 = 80,631.99/x - Step 3: Cross multiply
144,294.18x = 199,125.65 × 80,631.99 - Step 4: Simplify right side
144,294.18x = 16,055,897,016.38 - Step 5: Solve for x
x = 16,055,897,016.38/144,294.18 - Step 6: Final answer
x = 111,271.97
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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.