Finding the Fourth Proportional to 322,310.62, 444,430.11 and 220,352.68
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Solution
The fourth proportional to 322,310.62, 444,430.11 and 220,352.68 is: 303,841.57
Step by Step Solution
- Step 1: Write the proportion equation
322,310.62 : 444,430.11 = 220,352.68 : x - Step 2: Convert to fraction form
322,310.62/444,430.11 = 220,352.68/x - Step 3: Cross multiply
322,310.62x = 444,430.11 × 220,352.68 - Step 4: Simplify right side
322,310.62x = 97,931,365,811.19 - Step 5: Solve for x
x = 97,931,365,811.19/322,310.62 - Step 6: Final answer
x = 303,841.57
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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.