Finding the Fourth Proportional to 177,471.40, 266,207.10 and 72,365.80
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Solution
The fourth proportional to 177,471.40, 266,207.10 and 72,365.80 is: 108,548.70
Step by Step Solution
- Step 1: Write the proportion equation
177,471.40 : 266,207.10 = 72,365.80 : x - Step 2: Convert to fraction form
177,471.40/266,207.10 = 72,365.80/x - Step 3: Cross multiply
177,471.40x = 266,207.10 × 72,365.80 - Step 4: Simplify right side
177,471.40x = 19,264,289,757.18 - Step 5: Solve for x
x = 19,264,289,757.18/177,471.40 - Step 6: Final answer
x = 108,548.70
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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.