Finding the Fourth Proportional to 509,921.70, 764,882.55 and 244,201.20
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Solution
The fourth proportional to 509,921.70, 764,882.55 and 244,201.20 is: 366,301.80
Step by Step Solution
- Step 1: Write the proportion equation
509,921.70 : 764,882.55 = 244,201.20 : x - Step 2: Convert to fraction form
509,921.70/764,882.55 = 244,201.20/x - Step 3: Cross multiply
509,921.70x = 764,882.55 × 244,201.20 - Step 4: Simplify right side
509,921.70x = 186,785,236,569.06 - Step 5: Solve for x
x = 186,785,236,569.06/509,921.70 - Step 6: Final answer
x = 366,301.80
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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.