Finding the Fourth Proportional to 405,757.46, 559,961.76 and 224,466.26
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Solution
The fourth proportional to 405,757.46, 559,961.76 and 224,466.26 is: 309,772.55
Step by Step Solution
- Step 1: Write the proportion equation
405,757.46 : 559,961.76 = 224,466.26 : x - Step 2: Convert to fraction form
405,757.46/559,961.76 = 224,466.26/x - Step 3: Cross multiply
405,757.46x = 559,961.76 × 224,466.26 - Step 4: Simplify right side
405,757.46x = 125,692,522,010.22 - Step 5: Solve for x
x = 125,692,522,010.22/405,757.46 - Step 6: Final answer
x = 309,772.55
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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.