Finding the Fourth Proportional to 385,632.27, 532,035.68 and 251,262.99
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Solution
The fourth proportional to 385,632.27, 532,035.68 and 251,262.99 is: 346,653.76
Step by Step Solution
- Step 1: Write the proportion equation
385,632.27 : 532,035.68 = 251,262.99 : x - Step 2: Convert to fraction form
385,632.27/532,035.68 = 251,262.99/x - Step 3: Cross multiply
385,632.27x = 532,035.68 × 251,262.99 - Step 4: Simplify right side
385,632.27x = 133,680,874,487.17 - Step 5: Solve for x
x = 133,680,874,487.17/385,632.27 - Step 6: Final answer
x = 346,653.76
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.