Finding the Fourth Proportional to 194,809.70, 292,214.55 and 161,567.30
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Solution
The fourth proportional to 194,809.70, 292,214.55 and 161,567.30 is: 242,350.95
Step by Step Solution
- Step 1: Write the proportion equation
194,809.70 : 292,214.55 = 161,567.30 : x - Step 2: Convert to fraction form
194,809.70/292,214.55 = 161,567.30/x - Step 3: Cross multiply
194,809.70x = 292,214.55 × 161,567.30 - Step 4: Simplify right side
194,809.70x = 47,212,315,864.22 - Step 5: Solve for x
x = 47,212,315,864.22/194,809.70 - Step 6: Final answer
x = 242,350.95
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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.