Finding the Fourth Proportional to 99,493.28, 149,204.08 and 32,921.12
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Solution
The fourth proportional to 99,493.28, 149,204.08 and 32,921.12 is: 49,369.82
Step by Step Solution
- Step 1: Write the proportion equation
99,493.28 : 149,204.08 = 32,921.12 : x - Step 2: Convert to fraction form
99,493.28/149,204.08 = 32,921.12/x - Step 3: Cross multiply
99,493.28x = 149,204.08 × 32,921.12 - Step 4: Simplify right side
99,493.28x = 4,911,965,422.17 - Step 5: Solve for x
x = 4,911,965,422.17/99,493.28 - Step 6: Final answer
x = 49,369.82
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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.