Finding the Fourth Proportional to 514,315.80, 771,473.70 and 181,891.80
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Solution
The fourth proportional to 514,315.80, 771,473.70 and 181,891.80 is: 272,837.70
Step by Step Solution
- Step 1: Write the proportion equation
514,315.80 : 771,473.70 = 181,891.80 : x - Step 2: Convert to fraction form
514,315.80/771,473.70 = 181,891.80/x - Step 3: Cross multiply
514,315.80x = 771,473.70 × 181,891.80 - Step 4: Simplify right side
514,315.80x = 140,324,739,945.66 - Step 5: Solve for x
x = 140,324,739,945.66/514,315.80 - Step 6: Final answer
x = 272,837.70
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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.