Finding the Fourth Proportional to 320,734.91, 442,603.22 and 177,500.99
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Solution
The fourth proportional to 320,734.91, 442,603.22 and 177,500.99 is: 244,945.30
Step by Step Solution
- Step 1: Write the proportion equation
320,734.91 : 442,603.22 = 177,500.99 : x - Step 2: Convert to fraction form
320,734.91/442,603.22 = 177,500.99/x - Step 3: Cross multiply
320,734.91x = 442,603.22 × 177,500.99 - Step 4: Simplify right side
320,734.91x = 78,562,506,626.67 - Step 5: Solve for x
x = 78,562,506,626.67/320,734.91 - Step 6: Final answer
x = 244,945.30
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.