Finding the Fourth Proportional to 368,711.80, 552,944.68 and 144,013.95
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Solution
The fourth proportional to 368,711.80, 552,944.68 and 144,013.95 is: 215,972.88
Step by Step Solution
- Step 1: Write the proportion equation
368,711.80 : 552,944.68 = 144,013.95 : x - Step 2: Convert to fraction form
368,711.80/552,944.68 = 144,013.95/x - Step 3: Cross multiply
368,711.80x = 552,944.68 × 144,013.95 - Step 4: Simplify right side
368,711.80x = 79,631,747,138.25 - Step 5: Solve for x
x = 79,631,747,138.25/368,711.80 - Step 6: Final answer
x = 215,972.88
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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.