Finding the Fourth Proportional to 453,114.15, 679,701.26 and 133,294.69
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Solution
The fourth proportional to 453,114.15, 679,701.26 and 133,294.69 is: 199,950.87
Step by Step Solution
- Step 1: Write the proportion equation
453,114.15 : 679,701.26 = 133,294.69 : x - Step 2: Convert to fraction form
453,114.15/679,701.26 = 133,294.69/x - Step 3: Cross multiply
453,114.15x = 679,701.26 × 133,294.69 - Step 4: Simplify right side
453,114.15x = 90,600,568,744.31 - Step 5: Solve for x
x = 90,600,568,744.31/453,114.15 - Step 6: Final answer
x = 199,950.87
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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.