Finding the Fourth Proportional to 418,054.12, 576,917.70 and 227,067.52
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Solution
The fourth proportional to 418,054.12, 576,917.70 and 227,067.52 is: 313,354.81
Step by Step Solution
- Step 1: Write the proportion equation
418,054.12 : 576,917.70 = 227,067.52 : x - Step 2: Convert to fraction form
418,054.12/576,917.70 = 227,067.52/x - Step 3: Cross multiply
418,054.12x = 576,917.70 × 227,067.52 - Step 4: Simplify right side
418,054.12x = 130,999,271,383.10 - Step 5: Solve for x
x = 130,999,271,383.10/418,054.12 - Step 6: Final answer
x = 313,354.81
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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.