Finding the Fourth Proportional to 320,027.13, 441,638.91 and 174,834.99
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Solution
The fourth proportional to 320,027.13, 441,638.91 and 174,834.99 is: 241,273.09
Step by Step Solution
- Step 1: Write the proportion equation
320,027.13 : 441,638.91 = 174,834.99 : x - Step 2: Convert to fraction form
320,027.13/441,638.91 = 174,834.99/x - Step 3: Cross multiply
320,027.13x = 441,638.91 × 174,834.99 - Step 4: Simplify right side
320,027.13x = 77,213,934,413.46 - Step 5: Solve for x
x = 77,213,934,413.46/320,027.13 - Step 6: Final answer
x = 241,273.09
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1.5x scale
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.