Finding the Fourth Proportional to 239,737.64, 330,859.14 and 132,330.92
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Solution
The fourth proportional to 239,737.64, 330,859.14 and 132,330.92 is: 182,628.37
Step by Step Solution
- Step 1: Write the proportion equation
239,737.64 : 330,859.14 = 132,330.92 : x - Step 2: Convert to fraction form
239,737.64/330,859.14 = 132,330.92/x - Step 3: Cross multiply
239,737.64x = 330,859.14 × 132,330.92 - Step 4: Simplify right side
239,737.64x = 43,782,894,386.61 - Step 5: Solve for x
x = 43,782,894,386.61/239,737.64 - Step 6: Final answer
x = 182,628.37
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1.5x scale
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.