Finding the Fourth Proportional to 408,098.75, 563,165.12 and 226,805.96
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Solution
The fourth proportional to 408,098.75, 563,165.12 and 226,805.96 is: 312,986.03
Step by Step Solution
- Step 1: Write the proportion equation
408,098.75 : 563,165.12 = 226,805.96 : x - Step 2: Convert to fraction form
408,098.75/563,165.12 = 226,805.96/x - Step 3: Cross multiply
408,098.75x = 563,165.12 × 226,805.96 - Step 4: Simplify right side
408,098.75x = 127,729,207,655.04 - Step 5: Solve for x
x = 127,729,207,655.04/408,098.75 - Step 6: Final answer
x = 312,986.03
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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.