Finding the Fourth Proportional to 415,765.44, 623,881.98 and 226,239.57
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Solution
The fourth proportional to 415,765.44, 623,881.98 and 226,239.57 is: 339,486.59
Step by Step Solution
- Step 1: Write the proportion equation
415,765.44 : 623,881.98 = 226,239.57 : x - Step 2: Convert to fraction form
415,765.44/623,881.98 = 226,239.57/x - Step 3: Cross multiply
415,765.44x = 623,881.98 × 226,239.57 - Step 4: Simplify right side
415,765.44x = 141,146,790,885.95 - Step 5: Solve for x
x = 141,146,790,885.95/415,765.44 - Step 6: Final answer
x = 339,486.59
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.