Finding the Fourth Proportional to 177,539.70, 266,309.55 and 84,227.70
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Solution
The fourth proportional to 177,539.70, 266,309.55 and 84,227.70 is: 126,341.55
Step by Step Solution
- Step 1: Write the proportion equation
177,539.70 : 266,309.55 = 84,227.70 : x - Step 2: Convert to fraction form
177,539.70/266,309.55 = 84,227.70/x - Step 3: Cross multiply
177,539.70x = 266,309.55 × 84,227.70 - Step 4: Simplify right side
177,539.70x = 22,430,640,884.54 - Step 5: Solve for x
x = 22,430,640,884.54/177,539.70 - Step 6: Final answer
x = 126,341.55
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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.