Finding the Fourth Proportional to 266,121.20, 399,181.80 and 237,252.80
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Solution
The fourth proportional to 266,121.20, 399,181.80 and 237,252.80 is: 355,879.20
Step by Step Solution
- Step 1: Write the proportion equation
266,121.20 : 399,181.80 = 237,252.80 : x - Step 2: Convert to fraction form
266,121.20/399,181.80 = 237,252.80/x - Step 3: Cross multiply
266,121.20x = 399,181.80 × 237,252.80 - Step 4: Simplify right side
266,121.20x = 94,706,999,759.04 - Step 5: Solve for x
x = 94,706,999,759.04/266,121.20 - Step 6: Final answer
x = 355,879.20
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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.