Finding the Fourth Proportional to 356,228.70, 534,176.94 and 206,511.84
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Solution
The fourth proportional to 356,228.70, 534,176.94 and 206,511.84 is: 309,671.46
Step by Step Solution
- Step 1: Write the proportion equation
356,228.70 : 534,176.94 = 206,511.84 : x - Step 2: Convert to fraction form
356,228.70/534,176.94 = 206,511.84/x - Step 3: Cross multiply
356,228.70x = 534,176.94 × 206,511.84 - Step 4: Simplify right side
356,228.70x = 110,313,862,764.97 - Step 5: Solve for x
x = 110,313,862,764.97/356,228.70 - Step 6: Final answer
x = 309,671.46
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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.