Finding the Fourth Proportional to 516,354.84, 774,511.20 and 179,471.88
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Solution
The fourth proportional to 516,354.84, 774,511.20 and 179,471.88 is: 269,200.50
Step by Step Solution
- Step 1: Write the proportion equation
516,354.84 : 774,511.20 = 179,471.88 : x - Step 2: Convert to fraction form
516,354.84/774,511.20 = 179,471.88/x - Step 3: Cross multiply
516,354.84x = 774,511.20 × 179,471.88 - Step 4: Simplify right side
516,354.84x = 139,002,981,145.06 - Step 5: Solve for x
x = 139,002,981,145.06/516,354.84 - Step 6: Final answer
x = 269,200.50
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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.