Finding the Fourth Proportional to 239,115.66, 358,720.79 and 68,338.91
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Solution
The fourth proportional to 239,115.66, 358,720.79 and 68,338.91 is: 102,521.87
Step by Step Solution
- Step 1: Write the proportion equation
239,115.66 : 358,720.79 = 68,338.91 : x - Step 2: Convert to fraction form
239,115.66/358,720.79 = 68,338.91/x - Step 3: Cross multiply
239,115.66x = 358,720.79 × 68,338.91 - Step 4: Simplify right side
239,115.66x = 24,514,585,647.64 - Step 5: Solve for x
x = 24,514,585,647.64/239,115.66 - Step 6: Final answer
x = 102,521.87
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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.