Finding the Fourth Proportional to 484,515.18, 726,717.31 and 129,556.88
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Solution
The fourth proportional to 484,515.18, 726,717.31 and 129,556.88 is: 194,320.49
Step by Step Solution
- Step 1: Write the proportion equation
484,515.18 : 726,717.31 = 129,556.88 : x - Step 2: Convert to fraction form
484,515.18/726,717.31 = 129,556.88/x - Step 3: Cross multiply
484,515.18x = 726,717.31 × 129,556.88 - Step 4: Simplify right side
484,515.18x = 94,151,226,822.06 - Step 5: Solve for x
x = 94,151,226,822.06/484,515.18 - Step 6: Final answer
x = 194,320.49
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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.