Finding the Fourth Proportional to 271,948.80, 407,524.80 and 243,868.80
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Solution
The fourth proportional to 271,948.80, 407,524.80 and 243,868.80 is: 365,445.94
Step by Step Solution
- Step 1: Write the proportion equation
271,948.80 : 407,524.80 = 243,868.80 : x - Step 2: Convert to fraction form
271,948.80/407,524.80 = 243,868.80/x - Step 3: Cross multiply
271,948.80x = 407,524.80 × 243,868.80 - Step 4: Simplify right side
271,948.80x = 99,382,583,946.24 - Step 5: Solve for x
x = 99,382,583,946.24/271,948.80 - Step 6: Final answer
x = 365,445.94
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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.