Finding the Fourth Proportional to 144,644.72, 216,972.12 and 44,795.84
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Solution
The fourth proportional to 144,644.72, 216,972.12 and 44,795.84 is: 67,195.32
Step by Step Solution
- Step 1: Write the proportion equation
144,644.72 : 216,972.12 = 44,795.84 : x - Step 2: Convert to fraction form
144,644.72/216,972.12 = 44,795.84/x - Step 3: Cross multiply
144,644.72x = 216,972.12 × 44,795.84 - Step 4: Simplify right side
144,644.72x = 9,719,448,371.98 - Step 5: Solve for x
x = 9,719,448,371.98/144,644.72 - Step 6: Final answer
x = 67,195.32
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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.