Finding the Fourth Proportional to 366,909.99, 550,419.63 and 130,232.85
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Solution
The fourth proportional to 366,909.99, 550,419.63 and 130,232.85 is: 195,368.67
Step by Step Solution
- Step 1: Write the proportion equation
366,909.99 : 550,419.63 = 130,232.85 : x - Step 2: Convert to fraction form
366,909.99/550,419.63 = 130,232.85/x - Step 3: Cross multiply
366,909.99x = 550,419.63 × 130,232.85 - Step 4: Simplify right side
366,909.99x = 71,682,717,110.85 - Step 5: Solve for x
x = 71,682,717,110.85/366,909.99 - Step 6: Final answer
x = 195,368.67
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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.