Finding the Fourth Proportional to 484,677.48, 726,960.60 and 129,719.19
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Solution
The fourth proportional to 484,677.48, 726,960.60 and 129,719.19 is: 194,563.90
Step by Step Solution
- Step 1: Write the proportion equation
484,677.48 : 726,960.60 = 129,719.19 : x - Step 2: Convert to fraction form
484,677.48/726,960.60 = 129,719.19/x - Step 3: Cross multiply
484,677.48x = 726,960.60 × 129,719.19 - Step 4: Simplify right side
484,677.48x = 94,300,740,193.91 - Step 5: Solve for x
x = 94,300,740,193.91/484,677.48 - Step 6: Final answer
x = 194,563.90
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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.