Finding the Fourth Proportional to 172,552.19, 258,789.41 and 67,316.99
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Solution
The fourth proportional to 172,552.19, 258,789.41 and 67,316.99 is: 100,960.32
Step by Step Solution
- Step 1: Write the proportion equation
172,552.19 : 258,789.41 = 67,316.99 : x - Step 2: Convert to fraction form
172,552.19/258,789.41 = 67,316.99/x - Step 3: Cross multiply
172,552.19x = 258,789.41 × 67,316.99 - Step 4: Simplify right side
172,552.19x = 17,420,923,788.49 - Step 5: Solve for x
x = 17,420,923,788.49/172,552.19 - Step 6: Final answer
x = 100,960.32
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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.