Finding the Fourth Proportional to 192,053.34, 288,154.62 and 79,705.44
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Solution
The fourth proportional to 192,053.34, 288,154.62 and 79,705.44 is: 119,589.12
Step by Step Solution
- Step 1: Write the proportion equation
192,053.34 : 288,154.62 = 79,705.44 : x - Step 2: Convert to fraction form
192,053.34/288,154.62 = 79,705.44/x - Step 3: Cross multiply
192,053.34x = 288,154.62 × 79,705.44 - Step 4: Simplify right side
192,053.34x = 22,967,490,775.13 - Step 5: Solve for x
x = 22,967,490,775.13/192,053.34 - Step 6: Final answer
x = 119,589.12
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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.