Finding the Fourth Proportional to 238,545.64, 329,195.49 and 129,649.96
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Solution
The fourth proportional to 238,545.64, 329,195.49 and 129,649.96 is: 178,918.31
Step by Step Solution
- Step 1: Write the proportion equation
238,545.64 : 329,195.49 = 129,649.96 : x - Step 2: Convert to fraction form
238,545.64/329,195.49 = 129,649.96/x - Step 3: Cross multiply
238,545.64x = 329,195.49 × 129,649.96 - Step 4: Simplify right side
238,545.64x = 42,680,182,110.68 - Step 5: Solve for x
x = 42,680,182,110.68/238,545.64 - Step 6: Final answer
x = 178,918.31
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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.