Finding the Fourth Proportional to 239,782.62, 330,900.05 and 132,352.68
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Solution
The fourth proportional to 239,782.62, 330,900.05 and 132,352.68 is: 182,646.72
Step by Step Solution
- Step 1: Write the proportion equation
239,782.62 : 330,900.05 = 132,352.68 : x - Step 2: Convert to fraction form
239,782.62/330,900.05 = 132,352.68/x - Step 3: Cross multiply
239,782.62x = 330,900.05 × 132,352.68 - Step 4: Simplify right side
239,782.62x = 43,795,508,429.63 - Step 5: Solve for x
x = 43,795,508,429.63/239,782.62 - Step 6: Final answer
x = 182,646.72
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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.