Finding the Fourth Proportional to 408,208.92, 563,419.68 and 226,984.44
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Solution
The fourth proportional to 408,208.92, 563,419.68 and 226,984.44 is: 313,289.33
Step by Step Solution
- Step 1: Write the proportion equation
408,208.92 : 563,419.68 = 226,984.44 : x - Step 2: Convert to fraction form
408,208.92/563,419.68 = 226,984.44/x - Step 3: Cross multiply
408,208.92x = 563,419.68 × 226,984.44 - Step 4: Simplify right side
408,208.92x = 127,887,500,549.78 - Step 5: Solve for x
x = 127,887,500,549.78/408,208.92 - Step 6: Final answer
x = 313,289.33
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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.