Finding the Fourth Proportional to 546,324.57, 819,241.02 and 209,129.28
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Solution
The fourth proportional to 546,324.57, 819,241.02 and 209,129.28 is: 313,599.82
Step by Step Solution
- Step 1: Write the proportion equation
546,324.57 : 819,241.02 = 209,129.28 : x - Step 2: Convert to fraction form
546,324.57/819,241.02 = 209,129.28/x - Step 3: Cross multiply
546,324.57x = 819,241.02 × 209,129.28 - Step 4: Simplify right side
546,324.57x = 171,327,284,659.07 - Step 5: Solve for x
x = 171,327,284,659.07/546,324.57 - Step 6: Final answer
x = 313,599.82
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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.