Finding the Fourth Proportional to 508,974.60, 764,045.10 and 272,195.40
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Solution
The fourth proportional to 508,974.60, 764,045.10 and 272,195.40 is: 408,604.99
Step by Step Solution
- Step 1: Write the proportion equation
508,974.60 : 764,045.10 = 272,195.40 : x - Step 2: Convert to fraction form
508,974.60/764,045.10 = 272,195.40/x - Step 3: Cross multiply
508,974.60x = 764,045.10 × 272,195.40 - Step 4: Simplify right side
508,974.60x = 207,969,561,612.54 - Step 5: Solve for x
x = 207,969,561,612.54/508,974.60 - Step 6: Final answer
x = 408,604.99
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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.