Finding the Fourth Proportional to 260,743.80, 391,115.70 and 254,911.80
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Solution
The fourth proportional to 260,743.80, 391,115.70 and 254,911.80 is: 382,367.70
Step by Step Solution
- Step 1: Write the proportion equation
260,743.80 : 391,115.70 = 254,911.80 : x - Step 2: Convert to fraction form
260,743.80/391,115.70 = 254,911.80/x - Step 3: Cross multiply
260,743.80x = 391,115.70 × 254,911.80 - Step 4: Simplify right side
260,743.80x = 99,700,007,095.26 - Step 5: Solve for x
x = 99,700,007,095.26/260,743.80 - Step 6: Final answer
x = 382,367.70
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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.