Finding the Fourth Proportional to 238,757.68, 329,494.26 and 131,336.02
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Solution
The fourth proportional to 238,757.68, 329,494.26 and 131,336.02 is: 181,248.47
Step by Step Solution
- Step 1: Write the proportion equation
238,757.68 : 329,494.26 = 131,336.02 : x - Step 2: Convert to fraction form
238,757.68/329,494.26 = 131,336.02/x - Step 3: Cross multiply
238,757.68x = 329,494.26 × 131,336.02 - Step 4: Simplify right side
238,757.68x = 43,274,464,721.25 - Step 5: Solve for x
x = 43,274,464,721.25/238,757.68 - Step 6: Final answer
x = 181,248.47
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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.