Finding the Fourth Proportional to 453,163.05, 679,744.58 and 303,863.85
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Solution
The fourth proportional to 453,163.05, 679,744.58 and 303,863.85 is: 455,795.78
Step by Step Solution
- Step 1: Write the proportion equation
453,163.05 : 679,744.58 = 303,863.85 : x - Step 2: Convert to fraction form
453,163.05/679,744.58 = 303,863.85/x - Step 3: Cross multiply
453,163.05x = 679,744.58 × 303,863.85 - Step 4: Simplify right side
453,163.05x = 206,549,803,576.11 - Step 5: Solve for x
x = 206,549,803,576.11/453,163.05 - Step 6: Final answer
x = 455,795.78
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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.