Finding the Fourth Proportional to 177,549.20, 266,323.80 and 84,237.20
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Solution
The fourth proportional to 177,549.20, 266,323.80 and 84,237.20 is: 126,355.80
Step by Step Solution
- Step 1: Write the proportion equation
177,549.20 : 266,323.80 = 84,237.20 : x - Step 2: Convert to fraction form
177,549.20/266,323.80 = 84,237.20/x - Step 3: Cross multiply
177,549.20x = 266,323.80 × 84,237.20 - Step 4: Simplify right side
177,549.20x = 22,434,371,205.36 - Step 5: Solve for x
x = 22,434,371,205.36/177,549.20 - Step 6: Final answer
x = 126,355.80
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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.