Finding the Fourth Proportional to 144,391.68, 216,618.48 and 43,197.75
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Solution
The fourth proportional to 144,391.68, 216,618.48 and 43,197.75 is: 64,805.89
Step by Step Solution
- Step 1: Write the proportion equation
144,391.68 : 216,618.48 = 43,197.75 : x - Step 2: Convert to fraction form
144,391.68/216,618.48 = 43,197.75/x - Step 3: Cross multiply
144,391.68x = 216,618.48 × 43,197.75 - Step 4: Simplify right side
144,391.68x = 9,357,430,944.42 - Step 5: Solve for x
x = 9,357,430,944.42/144,391.68 - Step 6: Final answer
x = 64,805.89
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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.