Finding the Fourth Proportional to 417,873.72, 576,634.23 and 236,544.08
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Solution
The fourth proportional to 417,873.72, 576,634.23 and 236,544.08 is: 326,412.99
Step by Step Solution
- Step 1: Write the proportion equation
417,873.72 : 576,634.23 = 236,544.08 : x - Step 2: Convert to fraction form
417,873.72/576,634.23 = 236,544.08/x - Step 3: Cross multiply
417,873.72x = 576,634.23 × 236,544.08 - Step 4: Simplify right side
417,873.72x = 136,399,410,548.69 - Step 5: Solve for x
x = 136,399,410,548.69/417,873.72 - Step 6: Final answer
x = 326,412.99
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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.