Finding the Fourth Proportional to 266,620.05, 399,487.19 and 187,568.19
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Solution
The fourth proportional to 266,620.05, 399,487.19 and 187,568.19 is: 281,040.71
Step by Step Solution
- Step 1: Write the proportion equation
266,620.05 : 399,487.19 = 187,568.19 : x - Step 2: Convert to fraction form
266,620.05/399,487.19 = 187,568.19/x - Step 3: Cross multiply
266,620.05x = 399,487.19 × 187,568.19 - Step 4: Simplify right side
266,620.05x = 74,931,088,218.65 - Step 5: Solve for x
x = 74,931,088,218.65/266,620.05 - Step 6: Final answer
x = 281,040.71
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1.5x scale
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.