Finding the Fourth Proportional to 177,471.40, 266,075.80 and 83,867.80
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Solution
The fourth proportional to 177,471.40, 266,075.80 and 83,867.80 is: 125,739.65
Step by Step Solution
- Step 1: Write the proportion equation
177,471.40 : 266,075.80 = 83,867.80 : x - Step 2: Convert to fraction form
177,471.40/266,075.80 = 83,867.80/x - Step 3: Cross multiply
177,471.40x = 266,075.80 × 83,867.80 - Step 4: Simplify right side
177,471.40x = 22,315,191,979.24 - Step 5: Solve for x
x = 22,315,191,979.24/177,471.40 - Step 6: Final answer
x = 125,739.65
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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.