Finding the Fourth Proportional to 239,647.84, 330,711.80 and 132,218.80
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Solution
The fourth proportional to 239,647.84, 330,711.80 and 132,218.80 is: 182,460.72
Step by Step Solution
- Step 1: Write the proportion equation
239,647.84 : 330,711.80 = 132,218.80 : x - Step 2: Convert to fraction form
239,647.84/330,711.80 = 132,218.80/x - Step 3: Cross multiply
239,647.84x = 330,711.80 × 132,218.80 - Step 4: Simplify right side
239,647.84x = 43,726,317,341.84 - Step 5: Solve for x
x = 43,726,317,341.84/239,647.84 - Step 6: Final answer
x = 182,460.72
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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.