Finding the Fourth Proportional to 99,677.28, 149,544.78 and 29,558.28
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Solution
The fourth proportional to 99,677.28, 149,544.78 and 29,558.28 is: 44,345.98
Step by Step Solution
- Step 1: Write the proportion equation
99,677.28 : 149,544.78 = 29,558.28 : x - Step 2: Convert to fraction form
99,677.28/149,544.78 = 29,558.28/x - Step 3: Cross multiply
99,677.28x = 149,544.78 × 29,558.28 - Step 4: Simplify right side
99,677.28x = 4,420,286,479.78 - Step 5: Solve for x
x = 4,420,286,479.78/99,677.28 - Step 6: Final answer
x = 44,345.98
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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.