Finding the Fourth Proportional to 392,163.52, 588,439.68 and 155,501.12
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Solution
The fourth proportional to 392,163.52, 588,439.68 and 155,501.12 is: 233,328.76
Step by Step Solution
- Step 1: Write the proportion equation
392,163.52 : 588,439.68 = 155,501.12 : x - Step 2: Convert to fraction form
392,163.52/588,439.68 = 155,501.12/x - Step 3: Cross multiply
392,163.52x = 588,439.68 × 155,501.12 - Step 4: Simplify right side
392,163.52x = 91,503,029,292.44 - Step 5: Solve for x
x = 91,503,029,292.44/392,163.52 - Step 6: Final answer
x = 233,328.76
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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.