Finding the Fourth Proportional to 344,186.42, 516,201.66 and 130,878.28
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Solution
The fourth proportional to 344,186.42, 516,201.66 and 130,878.28 is: 196,287.78
Step by Step Solution
- Step 1: Write the proportion equation
344,186.42 : 516,201.66 = 130,878.28 : x - Step 2: Convert to fraction form
344,186.42/516,201.66 = 130,878.28/x - Step 3: Cross multiply
344,186.42x = 516,201.66 × 130,878.28 - Step 4: Simplify right side
344,186.42x = 67,559,586,039.20 - Step 5: Solve for x
x = 67,559,586,039.20/344,186.42 - Step 6: Final answer
x = 196,287.78
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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.