Finding the Fourth Proportional to 418,331.26, 577,301.64 and 227,344.69
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Solution
The fourth proportional to 418,331.26, 577,301.64 and 227,344.69 is: 313,738.12
Step by Step Solution
- Step 1: Write the proportion equation
418,331.26 : 577,301.64 = 227,344.69 : x - Step 2: Convert to fraction form
418,331.26/577,301.64 = 227,344.69/x - Step 3: Cross multiply
418,331.26x = 577,301.64 × 227,344.69 - Step 4: Simplify right side
418,331.26x = 131,246,462,382.29 - Step 5: Solve for x
x = 131,246,462,382.29/418,331.26 - Step 6: Final answer
x = 313,738.12
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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.