Finding the Fourth Proportional to 194,744.70, 292,117.05 and 161,502.30
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Solution
The fourth proportional to 194,744.70, 292,117.05 and 161,502.30 is: 242,253.45
Step by Step Solution
- Step 1: Write the proportion equation
194,744.70 : 292,117.05 = 161,502.30 : x - Step 2: Convert to fraction form
194,744.70/292,117.05 = 161,502.30/x - Step 3: Cross multiply
194,744.70x = 292,117.05 × 161,502.30 - Step 4: Simplify right side
194,744.70x = 47,177,575,444.22 - Step 5: Solve for x
x = 47,177,575,444.22/194,744.70 - Step 6: Final answer
x = 242,253.45
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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.