Finding the Fourth Proportional to 642,161.04, 963,371.16 and 192,909.12
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Solution
The fourth proportional to 642,161.04, 963,371.16 and 192,909.12 is: 289,402.61
Step by Step Solution
- Step 1: Write the proportion equation
642,161.04 : 963,371.16 = 192,909.12 : x - Step 2: Convert to fraction form
642,161.04/963,371.16 = 192,909.12/x - Step 3: Cross multiply
642,161.04x = 963,371.16 × 192,909.12 - Step 4: Simplify right side
642,161.04x = 185,843,082,708.98 - Step 5: Solve for x
x = 185,843,082,708.98/642,161.04 - Step 6: Final answer
x = 289,402.61
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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.