Finding the Fourth Proportional to 406,399.64, 560,778.36 and 234,324.08
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Solution
The fourth proportional to 406,399.64, 560,778.36 and 234,324.08 is: 323,336.59
Step by Step Solution
- Step 1: Write the proportion equation
406,399.64 : 560,778.36 = 234,324.08 : x - Step 2: Convert to fraction form
406,399.64/560,778.36 = 234,324.08/x - Step 3: Cross multiply
406,399.64x = 560,778.36 × 234,324.08 - Step 4: Simplify right side
406,399.64x = 131,403,873,290.91 - Step 5: Solve for x
x = 131,403,873,290.91/406,399.64 - Step 6: Final answer
x = 323,336.59
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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.