Finding the Fourth Proportional to 725,511.57, 1,088,248.73 and 193,037.10
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Solution
The fourth proportional to 725,511.57, 1,088,248.73 and 193,037.10 is: 289,550.69
Step by Step Solution
- Step 1: Write the proportion equation
725,511.57 : 1,088,248.73 = 193,037.10 : x - Step 2: Convert to fraction form
725,511.57/1,088,248.73 = 193,037.10/x - Step 3: Cross multiply
725,511.57x = 1,088,248.73 × 193,037.10 - Step 4: Simplify right side
725,511.57x = 210,072,377,952.70 - Step 5: Solve for x
x = 210,072,377,952.70/725,511.57 - Step 6: Final answer
x = 289,550.69
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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.