Finding the Fourth Proportional to 239,178.88, 358,215.36 and 230,884.48
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Solution
The fourth proportional to 239,178.88, 358,215.36 and 230,884.48 is: 345,792.94
Step by Step Solution
- Step 1: Write the proportion equation
239,178.88 : 358,215.36 = 230,884.48 : x - Step 2: Convert to fraction form
239,178.88/358,215.36 = 230,884.48/x - Step 3: Cross multiply
239,178.88x = 358,215.36 × 230,884.48 - Step 4: Simplify right side
239,178.88x = 82,706,367,121.61 - Step 5: Solve for x
x = 82,706,367,121.61/239,178.88 - Step 6: Final answer
x = 345,792.94
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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.