Finding the Fourth Proportional to 804,745.40, 1,207,280.10 and 236,125.40
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Solution
The fourth proportional to 804,745.40, 1,207,280.10 and 236,125.40 is: 354,235.63
Step by Step Solution
- Step 1: Write the proportion equation
804,745.40 : 1,207,280.10 = 236,125.40 : x - Step 2: Convert to fraction form
804,745.40/1,207,280.10 = 236,125.40/x - Step 3: Cross multiply
804,745.40x = 1,207,280.10 × 236,125.40 - Step 4: Simplify right side
804,745.40x = 285,069,496,524.54 - Step 5: Solve for x
x = 285,069,496,524.54/804,745.40 - Step 6: Final answer
x = 354,235.63
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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.