Finding the Fourth Proportional to 177,508.26, 266,106.87 and 66,778.02
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Solution
The fourth proportional to 177,508.26, 266,106.87 and 66,778.02 is: 100,108.52
Step by Step Solution
- Step 1: Write the proportion equation
177,508.26 : 266,106.87 = 66,778.02 : x - Step 2: Convert to fraction form
177,508.26/266,106.87 = 66,778.02/x - Step 3: Cross multiply
177,508.26x = 266,106.87 × 66,778.02 - Step 4: Simplify right side
177,508.26x = 17,770,089,887.00 - Step 5: Solve for x
x = 17,770,089,887.00/177,508.26 - Step 6: Final answer
x = 100,108.52
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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.