Finding the Fourth Proportional to 514,104.99, 709,464.69 and 287,750.49
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Solution
The fourth proportional to 514,104.99, 709,464.69 and 287,750.49 is: 397,095.57
Step by Step Solution
- Step 1: Write the proportion equation
514,104.99 : 709,464.69 = 287,750.49 : x - Step 2: Convert to fraction form
514,104.99/709,464.69 = 287,750.49/x - Step 3: Cross multiply
514,104.99x = 709,464.69 × 287,750.49 - Step 4: Simplify right side
514,104.99x = 204,148,812,185.20 - Step 5: Solve for x
x = 204,148,812,185.20/514,104.99 - Step 6: Final answer
x = 397,095.57
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.