Finding the Fourth Proportional to 177,922.80, 266,884.20 and 72,817.20
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Solution
The fourth proportional to 177,922.80, 266,884.20 and 72,817.20 is: 109,225.80
Step by Step Solution
- Step 1: Write the proportion equation
177,922.80 : 266,884.20 = 72,817.20 : x - Step 2: Convert to fraction form
177,922.80/266,884.20 = 72,817.20/x - Step 3: Cross multiply
177,922.80x = 266,884.20 × 72,817.20 - Step 4: Simplify right side
177,922.80x = 19,433,760,168.24 - Step 5: Solve for x
x = 19,433,760,168.24/177,922.80 - Step 6: Final answer
x = 109,225.80
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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.