Finding the Fourth Proportional to 177,531.70, 266,297.55 and 84,219.70
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Solution
The fourth proportional to 177,531.70, 266,297.55 and 84,219.70 is: 126,329.55
Step by Step Solution
- Step 1: Write the proportion equation
177,531.70 : 266,297.55 = 84,219.70 : x - Step 2: Convert to fraction form
177,531.70/266,297.55 = 84,219.70/x - Step 3: Cross multiply
177,531.70x = 266,297.55 × 84,219.70 - Step 4: Simplify right side
177,531.70x = 22,427,499,771.74 - Step 5: Solve for x
x = 22,427,499,771.74/177,531.70 - Step 6: Final answer
x = 126,329.55
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1.5x scale
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.