Finding the Fourth Proportional to 670,689.68, 1,006,134.56 and 221,458
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Solution
The fourth proportional to 670,689.68, 1,006,134.56 and 221,458 is: 332,220.03
Step by Step Solution
- Step 1: Write the proportion equation
670,689.68 : 1,006,134.56 = 221,458 : x - Step 2: Convert to fraction form
670,689.68/1,006,134.56 = 221,458/x - Step 3: Cross multiply
670,689.68x = 1,006,134.56 × 221,458 - Step 4: Simplify right side
670,689.68x = 222,816,547,388.48 - Step 5: Solve for x
x = 222,816,547,388.48/670,689.68 - Step 6: Final answer
x = 332,220.03
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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.