Finding the Fourth Proportional to 412,452.41, 568,587.87 and 289,570.68
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Solution
The fourth proportional to 412,452.41, 568,587.87 and 289,570.68 is: 399,188.79
Step by Step Solution
- Step 1: Write the proportion equation
412,452.41 : 568,587.87 = 289,570.68 : x - Step 2: Convert to fraction form
412,452.41/568,587.87 = 289,570.68/x - Step 3: Cross multiply
412,452.41x = 568,587.87 × 289,570.68 - Step 4: Simplify right side
412,452.41x = 164,646,376,155.65 - Step 5: Solve for x
x = 164,646,376,155.65/412,452.41 - Step 6: Final answer
x = 399,188.79
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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.