Finding the Fourth Proportional to 320,821.83, 480,962.07 and 202,231.71
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Solution
The fourth proportional to 320,821.83, 480,962.07 and 202,231.71 is: 303,176.94
Step by Step Solution
- Step 1: Write the proportion equation
320,821.83 : 480,962.07 = 202,231.71 : x - Step 2: Convert to fraction form
320,821.83/480,962.07 = 202,231.71/x - Step 3: Cross multiply
320,821.83x = 480,962.07 × 202,231.71 - Step 4: Simplify right side
320,821.83x = 97,265,781,861.24 - Step 5: Solve for x
x = 97,265,781,861.24/320,821.83 - Step 6: Final answer
x = 303,176.94
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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.