Finding the Fourth Proportional to 411,914.76, 568,414.86 and 230,596.08
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Solution
The fourth proportional to 411,914.76, 568,414.86 and 230,596.08 is: 318,207.19
Step by Step Solution
- Step 1: Write the proportion equation
411,914.76 : 568,414.86 = 230,596.08 : x - Step 2: Convert to fraction form
411,914.76/568,414.86 = 230,596.08/x - Step 3: Cross multiply
411,914.76x = 568,414.86 × 230,596.08 - Step 4: Simplify right side
411,914.76x = 131,074,238,529.75 - Step 5: Solve for x
x = 131,074,238,529.75/411,914.76 - Step 6: Final answer
x = 318,207.19
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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.