Finding the Fourth Proportional to 99,445.96, 149,169.35 and 40,282.75
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Solution
The fourth proportional to 99,445.96, 149,169.35 and 40,282.75 is: 60,424.29
Step by Step Solution
- Step 1: Write the proportion equation
99,445.96 : 149,169.35 = 40,282.75 : x - Step 2: Convert to fraction form
99,445.96/149,169.35 = 40,282.75/x - Step 3: Cross multiply
99,445.96x = 149,169.35 × 40,282.75 - Step 4: Simplify right side
99,445.96x = 6,008,951,694.29 - Step 5: Solve for x
x = 6,008,951,694.29/99,445.96 - Step 6: Final answer
x = 60,424.29
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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.