Finding the Fourth Proportional to 232,422.19, 320,729.13 and 130,438.12
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Solution
The fourth proportional to 232,422.19, 320,729.13 and 130,438.12 is: 179,997.03
Step by Step Solution
- Step 1: Write the proportion equation
232,422.19 : 320,729.13 = 130,438.12 : x - Step 2: Convert to fraction form
232,422.19/320,729.13 = 130,438.12/x - Step 3: Cross multiply
232,422.19x = 320,729.13 × 130,438.12 - Step 4: Simplify right side
232,422.19x = 41,835,304,746.44 - Step 5: Solve for x
x = 41,835,304,746.44/232,422.19 - Step 6: Final answer
x = 179,997.03
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1.5x scale
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.