Finding the Fourth Proportional to 825,029.87, 1,237,545.79 and 225,996.19
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Solution
The fourth proportional to 825,029.87, 1,237,545.79 and 225,996.19 is: 338,994.55
Step by Step Solution
- Step 1: Write the proportion equation
825,029.87 : 1,237,545.79 = 225,996.19 : x - Step 2: Convert to fraction form
825,029.87/1,237,545.79 = 225,996.19/x - Step 3: Cross multiply
825,029.87x = 1,237,545.79 × 225,996.19 - Step 4: Simplify right side
825,029.87x = 279,680,633,490.54 - Step 5: Solve for x
x = 279,680,633,490.54/825,029.87 - Step 6: Final answer
x = 338,994.55
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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.