Finding the Fourth Proportional to 149,119.44, 205,717.04 and 88,655.80
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Solution
The fourth proportional to 149,119.44, 205,717.04 and 88,655.80 is: 122,304.70
Step by Step Solution
- Step 1: Write the proportion equation
149,119.44 : 205,717.04 = 88,655.80 : x - Step 2: Convert to fraction form
149,119.44/205,717.04 = 88,655.80/x - Step 3: Cross multiply
149,119.44x = 205,717.04 × 88,655.80 - Step 4: Simplify right side
149,119.44x = 18,238,008,754.83 - Step 5: Solve for x
x = 18,238,008,754.83/149,119.44 - Step 6: Final answer
x = 122,304.70
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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.