Finding the Fourth Proportional to 418,163.52, 577,024.02 and 236,839.26
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Solution
The fourth proportional to 418,163.52, 577,024.02 and 236,839.26 is: 326,814.60
Step by Step Solution
- Step 1: Write the proportion equation
418,163.52 : 577,024.02 = 236,839.26 : x - Step 2: Convert to fraction form
418,163.52/577,024.02 = 236,839.26/x - Step 3: Cross multiply
418,163.52x = 577,024.02 × 236,839.26 - Step 4: Simplify right side
418,163.52x = 136,661,941,899.03 - Step 5: Solve for x
x = 136,661,941,899.03/418,163.52 - Step 6: Final answer
x = 326,814.60
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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.