Finding the Fourth Proportional to 239,790.96, 330,897.36 and 132,358.32
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Solution
The fourth proportional to 239,790.96, 330,897.36 and 132,358.32 is: 182,646.66
Step by Step Solution
- Step 1: Write the proportion equation
239,790.96 : 330,897.36 = 132,358.32 : x - Step 2: Convert to fraction form
239,790.96/330,897.36 = 132,358.32/x - Step 3: Cross multiply
239,790.96x = 330,897.36 × 132,358.32 - Step 4: Simplify right side
239,790.96x = 43,797,018,662.04 - Step 5: Solve for x
x = 43,797,018,662.04/239,790.96 - Step 6: Final answer
x = 182,646.66
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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.