Finding the Fourth Proportional to 393,567.99, 543,165.66 and 240,695.61
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Solution
The fourth proportional to 393,567.99, 543,165.66 and 240,695.61 is: 332,185.53
Step by Step Solution
- Step 1: Write the proportion equation
393,567.99 : 543,165.66 = 240,695.61 : x - Step 2: Convert to fraction form
393,567.99/543,165.66 = 240,695.61/x - Step 3: Cross multiply
393,567.99x = 543,165.66 × 240,695.61 - Step 4: Simplify right side
393,567.99x = 130,737,589,864.75 - Step 5: Solve for x
x = 130,737,589,864.75/393,567.99 - Step 6: Final answer
x = 332,185.53
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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.