Finding the Fourth Proportional to 177,997.20, 266,995.80 and 166,246.80
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Solution
The fourth proportional to 177,997.20, 266,995.80 and 166,246.80 is: 249,370.20
Step by Step Solution
- Step 1: Write the proportion equation
177,997.20 : 266,995.80 = 166,246.80 : x - Step 2: Convert to fraction form
177,997.20/266,995.80 = 166,246.80/x - Step 3: Cross multiply
177,997.20x = 266,995.80 × 166,246.80 - Step 4: Simplify right side
177,997.20x = 44,387,197,363.44 - Step 5: Solve for x
x = 44,387,197,363.44/177,997.20 - Step 6: Final answer
x = 249,370.20
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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.