Finding the Fourth Proportional to 411,964.99, 568,445.92 and 230,684.56
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Solution
The fourth proportional to 411,964.99, 568,445.92 and 230,684.56 is: 318,307.86
Step by Step Solution
- Step 1: Write the proportion equation
411,964.99 : 568,445.92 = 230,684.56 : x - Step 2: Convert to fraction form
411,964.99/568,445.92 = 230,684.56/x - Step 3: Cross multiply
411,964.99x = 568,445.92 × 230,684.56 - Step 4: Simplify right side
411,964.99x = 131,131,694,941.17 - Step 5: Solve for x
x = 131,131,694,941.17/411,964.99 - Step 6: Final answer
x = 318,307.86
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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.