Finding the Fourth Proportional to 455,177.26, 682,767.11 and 118,220.70
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Solution
The fourth proportional to 455,177.26, 682,767.11 and 118,220.70 is: 177,331.37
Step by Step Solution
- Step 1: Write the proportion equation
455,177.26 : 682,767.11 = 118,220.70 : x - Step 2: Convert to fraction form
455,177.26/682,767.11 = 118,220.70/x - Step 3: Cross multiply
455,177.26x = 682,767.11 × 118,220.70 - Step 4: Simplify right side
455,177.26x = 80,717,205,681.18 - Step 5: Solve for x
x = 80,717,205,681.18/455,177.26 - Step 6: Final answer
x = 177,331.37
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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.