Finding the Fourth Proportional to 819,090.76, 1,228,553.10 and 219,974.08
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Solution
The fourth proportional to 819,090.76, 1,228,553.10 and 219,974.08 is: 329,938.82
Step by Step Solution
- Step 1: Write the proportion equation
819,090.76 : 1,228,553.10 = 219,974.08 : x - Step 2: Convert to fraction form
819,090.76/1,228,553.10 = 219,974.08/x - Step 3: Cross multiply
819,090.76x = 1,228,553.10 × 219,974.08 - Step 4: Simplify right side
819,090.76x = 270,249,836,517.13 - Step 5: Solve for x
x = 270,249,836,517.13/819,090.76 - Step 6: Final answer
x = 329,938.82
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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.