Finding the Fourth Proportional to 99,451.80, 149,203.62 and 32,902.20
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Solution
The fourth proportional to 99,451.80, 149,203.62 and 32,902.20 is: 49,361.88
Step by Step Solution
- Step 1: Write the proportion equation
99,451.80 : 149,203.62 = 32,902.20 : x - Step 2: Convert to fraction form
99,451.80/149,203.62 = 32,902.20/x - Step 3: Cross multiply
99,451.80x = 149,203.62 × 32,902.20 - Step 4: Simplify right side
99,451.80x = 4,909,127,345.96 - Step 5: Solve for x
x = 4,909,127,345.96/99,451.80 - Step 6: Final answer
x = 49,361.88
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1.5x scale
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.