Finding the Fourth Proportional to 236,648.97, 326,574.30 and 129,219.07
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Solution
The fourth proportional to 236,648.97, 326,574.30 and 129,219.07 is: 178,321.62
Step by Step Solution
- Step 1: Write the proportion equation
236,648.97 : 326,574.30 = 129,219.07 : x - Step 2: Convert to fraction form
236,648.97/326,574.30 = 129,219.07/x - Step 3: Cross multiply
236,648.97x = 326,574.30 × 129,219.07 - Step 4: Simplify right side
236,648.97x = 42,199,627,331.90 - Step 5: Solve for x
x = 42,199,627,331.90/236,648.97 - Step 6: Final answer
x = 178,321.62
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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.