Finding the Fourth Proportional to 238,713.24, 329,417.70 and 131,283.28
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Solution
The fourth proportional to 238,713.24, 329,417.70 and 131,283.28 is: 181,167.31
Step by Step Solution
- Step 1: Write the proportion equation
238,713.24 : 329,417.70 = 131,283.28 : x - Step 2: Convert to fraction form
238,713.24/329,417.70 = 131,283.28/x - Step 3: Cross multiply
238,713.24x = 329,417.70 × 131,283.28 - Step 4: Simplify right side
238,713.24x = 43,247,036,146.06 - Step 5: Solve for x
x = 43,247,036,146.06/238,713.24 - Step 6: Final answer
x = 181,167.31
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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.