Finding the Fourth Proportional to 514,371.21, 771,274.93 and 159,286.65
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Solution
The fourth proportional to 514,371.21, 771,274.93 and 159,286.65 is: 238,842.68
Step by Step Solution
- Step 1: Write the proportion equation
514,371.21 : 771,274.93 = 159,286.65 : x - Step 2: Convert to fraction form
514,371.21/771,274.93 = 159,286.65/x - Step 3: Cross multiply
514,371.21x = 771,274.93 × 159,286.65 - Step 4: Simplify right side
514,371.21x = 122,853,799,828.69 - Step 5: Solve for x
x = 122,853,799,828.69/514,371.21 - Step 6: Final answer
x = 238,842.68
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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.