Finding the Fourth Proportional to 415,266.28, 572,394.42 and 324,463.88
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Solution
The fourth proportional to 415,266.28, 572,394.42 and 324,463.88 is: 447,234.28
Step by Step Solution
- Step 1: Write the proportion equation
415,266.28 : 572,394.42 = 324,463.88 : x - Step 2: Convert to fraction form
415,266.28/572,394.42 = 324,463.88/x - Step 3: Cross multiply
415,266.28x = 572,394.42 × 324,463.88 - Step 4: Simplify right side
415,266.28x = 185,721,314,403.55 - Step 5: Solve for x
x = 185,721,314,403.55/415,266.28 - Step 6: Final answer
x = 447,234.28
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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.