Finding the Fourth Proportional to 149,321.99, 206,064.62 and 88,894.73
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Solution
The fourth proportional to 149,321.99, 206,064.62 and 88,894.73 is: 122,674.88
Step by Step Solution
- Step 1: Write the proportion equation
149,321.99 : 206,064.62 = 88,894.73 : x - Step 2: Convert to fraction form
149,321.99/206,064.62 = 88,894.73/x - Step 3: Cross multiply
149,321.99x = 206,064.62 × 88,894.73 - Step 4: Simplify right side
149,321.99x = 18,318,057,282.66 - Step 5: Solve for x
x = 18,318,057,282.66/149,321.99 - Step 6: Final answer
x = 122,674.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.