Finding the Fourth Proportional to 366,902.70, 550,354.05 and 307,853.70
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Solution
The fourth proportional to 366,902.70, 550,354.05 and 307,853.70 is: 461,780.55
Step by Step Solution
- Step 1: Write the proportion equation
366,902.70 : 550,354.05 = 307,853.70 : x - Step 2: Convert to fraction form
366,902.70/550,354.05 = 307,853.70/x - Step 3: Cross multiply
366,902.70x = 550,354.05 × 307,853.70 - Step 4: Simplify right side
366,902.70x = 169,428,530,602.49 - Step 5: Solve for x
x = 169,428,530,602.49/366,902.70 - Step 6: Final answer
x = 461,780.55
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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.