Finding the Fourth Proportional to 229,703.04, 317,067.62 and 157,149.32
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Solution
The fourth proportional to 229,703.04, 317,067.62 and 157,149.32 is: 216,919.02
Step by Step Solution
- Step 1: Write the proportion equation
229,703.04 : 317,067.62 = 157,149.32 : x - Step 2: Convert to fraction form
229,703.04/317,067.62 = 157,149.32/x - Step 3: Cross multiply
229,703.04x = 317,067.62 × 157,149.32 - Step 4: Simplify right side
229,703.04x = 49,826,958,505.93 - Step 5: Solve for x
x = 49,826,958,505.93/229,703.04 - Step 6: Final answer
x = 216,919.02
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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.