Finding the Fourth Proportional to 99,565.11, 149,342.81 and 37,230.75
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Solution
The fourth proportional to 99,565.11, 149,342.81 and 37,230.75 is: 55,844.31
Step by Step Solution
- Step 1: Write the proportion equation
99,565.11 : 149,342.81 = 37,230.75 : x - Step 2: Convert to fraction form
99,565.11/149,342.81 = 37,230.75/x - Step 3: Cross multiply
99,565.11x = 149,342.81 × 37,230.75 - Step 4: Simplify right side
99,565.11x = 5,560,144,637.25 - Step 5: Solve for x
x = 5,560,144,637.25/99,565.11 - Step 6: Final answer
x = 55,844.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.