Finding the Fourth Proportional to 172,497.14, 258,663.76 and 60,163.70
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Solution
The fourth proportional to 172,497.14, 258,663.76 and 60,163.70 is: 90,216.97
Step by Step Solution
- Step 1: Write the proportion equation
172,497.14 : 258,663.76 = 60,163.70 : x - Step 2: Convert to fraction form
172,497.14/258,663.76 = 60,163.70/x - Step 3: Cross multiply
172,497.14x = 258,663.76 × 60,163.70 - Step 4: Simplify right side
172,497.14x = 15,562,169,353.76 - Step 5: Solve for x
x = 15,562,169,353.76/172,497.14 - Step 6: Final answer
x = 90,216.97
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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.