Finding the Fourth Proportional to 372,706.68, 514,343.64 and 211,546.65
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Solution
The fourth proportional to 372,706.68, 514,343.64 and 211,546.65 is: 291,939.16
Step by Step Solution
- Step 1: Write the proportion equation
372,706.68 : 514,343.64 = 211,546.65 : x - Step 2: Convert to fraction form
372,706.68/514,343.64 = 211,546.65/x - Step 3: Cross multiply
372,706.68x = 514,343.64 × 211,546.65 - Step 4: Simplify right side
372,706.68x = 108,807,673,990.81 - Step 5: Solve for x
x = 108,807,673,990.81/372,706.68 - Step 6: Final answer
x = 291,939.16
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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.