Finding the Fourth Proportional to 298,112.42, 411,394.84 and 170,788.52
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Solution
The fourth proportional to 298,112.42, 411,394.84 and 170,788.52 is: 235,687.99
Step by Step Solution
- Step 1: Write the proportion equation
298,112.42 : 411,394.84 = 170,788.52 : x - Step 2: Convert to fraction form
298,112.42/411,394.84 = 170,788.52/x - Step 3: Cross multiply
298,112.42x = 411,394.84 × 170,788.52 - Step 4: Simplify right side
298,112.42x = 70,261,515,859.24 - Step 5: Solve for x
x = 70,261,515,859.24/298,112.42 - Step 6: Final answer
x = 235,687.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.