Finding the Fourth Proportional to 345,545.61, 476,689.91 and 202,216.92
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Solution
The fourth proportional to 345,545.61, 476,689.91 and 202,216.92 is: 278,963.94
Step by Step Solution
- Step 1: Write the proportion equation
345,545.61 : 476,689.91 = 202,216.92 : x - Step 2: Convert to fraction form
345,545.61/476,689.91 = 202,216.92/x - Step 3: Cross multiply
345,545.61x = 476,689.91 × 202,216.92 - Step 4: Simplify right side
345,545.61x = 96,394,764,384.19 - Step 5: Solve for x
x = 96,394,764,384.19/345,545.61 - Step 6: Final answer
x = 278,963.94
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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.