Finding the Fourth Proportional to 239,067.84, 358,479.36 and 133,858.56
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Solution
The fourth proportional to 239,067.84, 358,479.36 and 133,858.56 is: 200,719.31
Step by Step Solution
- Step 1: Write the proportion equation
239,067.84 : 358,479.36 = 133,858.56 : x - Step 2: Convert to fraction form
239,067.84/358,479.36 = 133,858.56/x - Step 3: Cross multiply
239,067.84x = 358,479.36 × 133,858.56 - Step 4: Simplify right side
239,067.84x = 47,985,530,919.32 - Step 5: Solve for x
x = 47,985,530,919.32/239,067.84 - Step 6: Final answer
x = 200,719.31
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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.