Finding the Fourth Proportional to 239,767.91, 330,856.14 and 132,331.02
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Solution
The fourth proportional to 239,767.91, 330,856.14 and 132,331.02 is: 182,603.80
Step by Step Solution
- Step 1: Write the proportion equation
239,767.91 : 330,856.14 = 132,331.02 : x - Step 2: Convert to fraction form
239,767.91/330,856.14 = 132,331.02/x - Step 3: Cross multiply
239,767.91x = 330,856.14 × 132,331.02 - Step 4: Simplify right side
239,767.91x = 43,782,530,479.46 - Step 5: Solve for x
x = 43,782,530,479.46/239,767.91 - Step 6: Final answer
x = 182,603.80
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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.