Finding the Fourth Proportional to 467,863.80, 701,795.70 and 257,911.80
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Solution
The fourth proportional to 467,863.80, 701,795.70 and 257,911.80 is: 386,867.70
Step by Step Solution
- Step 1: Write the proportion equation
467,863.80 : 701,795.70 = 257,911.80 : x - Step 2: Convert to fraction form
467,863.80/701,795.70 = 257,911.80/x - Step 3: Cross multiply
467,863.80x = 701,795.70 × 257,911.80 - Step 4: Simplify right side
467,863.80x = 181,001,392,219.26 - Step 5: Solve for x
x = 181,001,392,219.26/467,863.80 - Step 6: Final answer
x = 386,867.70
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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.