Finding the Fourth Proportional to 408,301.74, 563,469.42 and 227,021.31
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Solution
The fourth proportional to 408,301.74, 563,469.42 and 227,021.31 is: 313,296.65
Step by Step Solution
- Step 1: Write the proportion equation
408,301.74 : 563,469.42 = 227,021.31 : x - Step 2: Convert to fraction form
408,301.74/563,469.42 = 227,021.31/x - Step 3: Cross multiply
408,301.74x = 563,469.42 × 227,021.31 - Step 4: Simplify right side
408,301.74x = 127,919,565,873.34 - Step 5: Solve for x
x = 127,919,565,873.34/408,301.74 - Step 6: Final answer
x = 313,296.65
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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.