Finding the Fourth Proportional to 348,415.62, 480,879.20 and 227,346.72
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Solution
The fourth proportional to 348,415.62, 480,879.20 and 227,346.72 is: 313,781.31
Step by Step Solution
- Step 1: Write the proportion equation
348,415.62 : 480,879.20 = 227,346.72 : x - Step 2: Convert to fraction form
348,415.62/480,879.20 = 227,346.72/x - Step 3: Cross multiply
348,415.62x = 480,879.20 × 227,346.72 - Step 4: Simplify right side
348,415.62x = 109,326,310,306.24 - Step 5: Solve for x
x = 109,326,310,306.24/348,415.62 - Step 6: Final answer
x = 313,781.31
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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.