Finding the Fourth Proportional to 177,543.70, 266,315.55 and 84,231.70
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Solution
The fourth proportional to 177,543.70, 266,315.55 and 84,231.70 is: 126,347.55
Step by Step Solution
- Step 1: Write the proportion equation
177,543.70 : 266,315.55 = 84,231.70 : x - Step 2: Convert to fraction form
177,543.70/266,315.55 = 84,231.70/x - Step 3: Cross multiply
177,543.70x = 266,315.55 × 84,231.70 - Step 4: Simplify right side
177,543.70x = 22,432,211,512.94 - Step 5: Solve for x
x = 22,432,211,512.94/177,543.70 - Step 6: Final answer
x = 126,347.55
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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.