Finding the Fourth Proportional to 238,545.09, 329,175.36 and 131,122.08
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Solution
The fourth proportional to 238,545.09, 329,175.36 and 131,122.08 is: 180,939.20
Step by Step Solution
- Step 1: Write the proportion equation
238,545.09 : 329,175.36 = 131,122.08 : x - Step 2: Convert to fraction form
238,545.09/329,175.36 = 131,122.08/x - Step 3: Cross multiply
238,545.09x = 329,175.36 × 131,122.08 - Step 4: Simplify right side
238,545.09x = 43,162,157,887.95 - Step 5: Solve for x
x = 43,162,157,887.95/238,545.09 - Step 6: Final answer
x = 180,939.20
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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.