Finding the Fourth Proportional to 239,863.51, 331,024.62 and 132,433.21
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Solution
The fourth proportional to 239,863.51, 331,024.62 and 132,433.21 is: 182,764.99
Step by Step Solution
- Step 1: Write the proportion equation
239,863.51 : 331,024.62 = 132,433.21 : x - Step 2: Convert to fraction form
239,863.51/331,024.62 = 132,433.21/x - Step 3: Cross multiply
239,863.51x = 331,024.62 × 132,433.21 - Step 4: Simplify right side
239,863.51x = 43,838,653,015.63 - Step 5: Solve for x
x = 43,838,653,015.63/239,863.51 - Step 6: Final answer
x = 182,764.99
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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.