Finding the Fourth Proportional to 266,752.26, 399,684.12 and 187,700.40
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Solution
The fourth proportional to 266,752.26, 399,684.12 and 187,700.40 is: 281,237.99
Step by Step Solution
- Step 1: Write the proportion equation
266,752.26 : 399,684.12 = 187,700.40 : x - Step 2: Convert to fraction form
266,752.26/399,684.12 = 187,700.40/x - Step 3: Cross multiply
266,752.26x = 399,684.12 × 187,700.40 - Step 4: Simplify right side
266,752.26x = 75,020,869,197.65 - Step 5: Solve for x
x = 75,020,869,197.65/266,752.26 - Step 6: Final answer
x = 281,237.99
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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.