Finding the Fourth Proportional to 615,816, 923,775.84 and 172,584
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Solution
The fourth proportional to 615,816, 923,775.84 and 172,584 is: 258,890.53
Step by Step Solution
- Step 1: Write the proportion equation
615,816 : 923,775.84 = 172,584 : x - Step 2: Convert to fraction form
615,816/923,775.84 = 172,584/x - Step 3: Cross multiply
615,816x = 923,775.84 × 172,584 - Step 4: Simplify right side
615,816x = 159,428,929,570.56 - Step 5: Solve for x
x = 159,428,929,570.56/615,816 - Step 6: Final answer
x = 258,890.53
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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.