Finding the Fourth Proportional to 406,967.67, 561,587.99 and 225,672.93
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Solution
The fourth proportional to 406,967.67, 561,587.99 and 225,672.93 is: 311,413.45
Step by Step Solution
- Step 1: Write the proportion equation
406,967.67 : 561,587.99 = 225,672.93 : x - Step 2: Convert to fraction form
406,967.67/561,587.99 = 225,672.93/x - Step 3: Cross multiply
406,967.67x = 561,587.99 × 225,672.93 - Step 4: Simplify right side
406,967.67x = 126,735,206,027.75 - Step 5: Solve for x
x = 126,735,206,027.75/406,967.67 - Step 6: Final answer
x = 311,413.45
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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.