Finding the Fourth Proportional to 239,358.84, 330,246.54 and 154,524.12
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Solution
The fourth proportional to 239,358.84, 330,246.54 and 154,524.12 is: 213,198.96
Step by Step Solution
- Step 1: Write the proportion equation
239,358.84 : 330,246.54 = 154,524.12 : x - Step 2: Convert to fraction form
239,358.84/330,246.54 = 154,524.12/x - Step 3: Cross multiply
239,358.84x = 330,246.54 × 154,524.12 - Step 4: Simplify right side
239,358.84x = 51,031,055,976.54 - Step 5: Solve for x
x = 51,031,055,976.54/239,358.84 - Step 6: Final answer
x = 213,198.96
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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.