Finding the Fourth Proportional to 192,420.45, 288,508.42 and 168,775.48
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Solution
The fourth proportional to 192,420.45, 288,508.42 and 168,775.48 is: 253,055.99
Step by Step Solution
- Step 1: Write the proportion equation
192,420.45 : 288,508.42 = 168,775.48 : x - Step 2: Convert to fraction form
192,420.45/288,508.42 = 168,775.48/x - Step 3: Cross multiply
192,420.45x = 288,508.42 × 168,775.48 - Step 4: Simplify right side
192,420.45x = 48,693,147,641.15 - Step 5: Solve for x
x = 48,693,147,641.15/192,420.45 - Step 6: Final answer
x = 253,055.99
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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.