Finding the Fourth Proportional to 411,820.88, 568,324.69 and 230,531.75
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Solution
The fourth proportional to 411,820.88, 568,324.69 and 230,531.75 is: 318,140.45
Step by Step Solution
- Step 1: Write the proportion equation
411,820.88 : 568,324.69 = 230,531.75 : x - Step 2: Convert to fraction form
411,820.88/568,324.69 = 230,531.75/x - Step 3: Cross multiply
411,820.88x = 568,324.69 × 230,531.75 - Step 4: Simplify right side
411,820.88x = 131,016,881,935.96 - Step 5: Solve for x
x = 131,016,881,935.96/411,820.88 - Step 6: Final answer
x = 318,140.45
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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.