Finding the Fourth Proportional to 264,916.80, 397,375.20 and 247,291.20
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Solution
The fourth proportional to 264,916.80, 397,375.20 and 247,291.20 is: 370,936.80
Step by Step Solution
- Step 1: Write the proportion equation
264,916.80 : 397,375.20 = 247,291.20 : x - Step 2: Convert to fraction form
264,916.80/397,375.20 = 247,291.20/x - Step 3: Cross multiply
264,916.80x = 397,375.20 × 247,291.20 - Step 4: Simplify right side
264,916.80x = 98,267,390,058.24 - Step 5: Solve for x
x = 98,267,390,058.24/264,916.80 - Step 6: Final answer
x = 370,936.80
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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.