Finding the Fourth Proportional to 466,463.80, 699,695.70 and 213,743.80
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Solution
The fourth proportional to 466,463.80, 699,695.70 and 213,743.80 is: 320,615.70
Step by Step Solution
- Step 1: Write the proportion equation
466,463.80 : 699,695.70 = 213,743.80 : x - Step 2: Convert to fraction form
466,463.80/699,695.70 = 213,743.80/x - Step 3: Cross multiply
466,463.80x = 699,695.70 × 213,743.80 - Step 4: Simplify right side
466,463.80x = 149,555,617,761.66 - Step 5: Solve for x
x = 149,555,617,761.66/466,463.80 - Step 6: Final answer
x = 320,615.70
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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.