Finding the Fourth Proportional to 451,562.99, 677,344.28 and 136,019.89
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Solution
The fourth proportional to 451,562.99, 677,344.28 and 136,019.89 is: 204,029.78
Step by Step Solution
- Step 1: Write the proportion equation
451,562.99 : 677,344.28 = 136,019.89 : x - Step 2: Convert to fraction form
451,562.99/677,344.28 = 136,019.89/x - Step 3: Cross multiply
451,562.99x = 677,344.28 × 136,019.89 - Step 4: Simplify right side
451,562.99x = 92,132,294,624.31 - Step 5: Solve for x
x = 92,132,294,624.31/451,562.99 - Step 6: Final answer
x = 204,029.78
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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.