Finding the Fourth Proportional to 149,187.34, 205,809.01 and 88,724.08
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Solution
The fourth proportional to 149,187.34, 205,809.01 and 88,724.08 is: 122,397.89
Step by Step Solution
- Step 1: Write the proportion equation
149,187.34 : 205,809.01 = 88,724.08 : x - Step 2: Convert to fraction form
149,187.34/205,809.01 = 88,724.08/x - Step 3: Cross multiply
149,187.34x = 205,809.01 × 88,724.08 - Step 4: Simplify right side
149,187.34x = 18,260,215,067.96 - Step 5: Solve for x
x = 18,260,215,067.96/149,187.34 - Step 6: Final answer
x = 122,397.89
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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.