Finding the Fourth Proportional to 221,908.44, 306,239.04 and 134,694.54
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Solution
The fourth proportional to 221,908.44, 306,239.04 and 134,694.54 is: 185,881.74
Step by Step Solution
- Step 1: Write the proportion equation
221,908.44 : 306,239.04 = 134,694.54 : x - Step 2: Convert to fraction form
221,908.44/306,239.04 = 134,694.54/x - Step 3: Cross multiply
221,908.44x = 306,239.04 × 134,694.54 - Step 4: Simplify right side
221,908.44x = 41,248,726,622.84 - Step 5: Solve for x
x = 41,248,726,622.84/221,908.44 - Step 6: Final answer
x = 185,881.74
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.