Finding the Fourth Proportional to 462,915.51, 638,884.77 and 259,044.99
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Solution
The fourth proportional to 462,915.51, 638,884.77 and 259,044.99 is: 357,516.42
Step by Step Solution
- Step 1: Write the proportion equation
462,915.51 : 638,884.77 = 259,044.99 : x - Step 2: Convert to fraction form
462,915.51/638,884.77 = 259,044.99/x - Step 3: Cross multiply
462,915.51x = 638,884.77 × 259,044.99 - Step 4: Simplify right side
462,915.51x = 165,499,894,366.15 - Step 5: Solve for x
x = 165,499,894,366.15/462,915.51 - Step 6: Final answer
x = 357,516.42
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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.