Finding the Fourth Proportional to 382,818.70, 574,228.05 and 323,769.70
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Solution
The fourth proportional to 382,818.70, 574,228.05 and 323,769.70 is: 485,654.55
Step by Step Solution
- Step 1: Write the proportion equation
382,818.70 : 574,228.05 = 323,769.70 : x - Step 2: Convert to fraction form
382,818.70/574,228.05 = 323,769.70/x - Step 3: Cross multiply
382,818.70x = 574,228.05 × 323,769.70 - Step 4: Simplify right side
382,818.70x = 185,917,643,480.09 - Step 5: Solve for x
x = 185,917,643,480.09/382,818.70 - Step 6: Final answer
x = 485,654.55
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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.