Finding the Fourth Proportional to 311,743.92, 466,448.14 and 221,994.06
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Solution
The fourth proportional to 311,743.92, 466,448.14 and 221,994.06 is: 332,159.54
Step by Step Solution
- Step 1: Write the proportion equation
311,743.92 : 466,448.14 = 221,994.06 : x - Step 2: Convert to fraction form
311,743.92/466,448.14 = 221,994.06/x - Step 3: Cross multiply
311,743.92x = 466,448.14 × 221,994.06 - Step 4: Simplify right side
311,743.92x = 103,548,716,378.05 - Step 5: Solve for x
x = 103,548,716,378.05/311,743.92 - Step 6: Final answer
x = 332,159.54
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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.