Finding the Fourth Proportional to 411,759.60, 568,201.86 and 230,440.92
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Solution
The fourth proportional to 411,759.60, 568,201.86 and 230,440.92 is: 317,993.70
Step by Step Solution
- Step 1: Write the proportion equation
411,759.60 : 568,201.86 = 230,440.92 : x - Step 2: Convert to fraction form
411,759.60/568,201.86 = 230,440.92/x - Step 3: Cross multiply
411,759.60x = 568,201.86 × 230,440.92 - Step 4: Simplify right side
411,759.60x = 130,936,959,364.11 - Step 5: Solve for x
x = 130,936,959,364.11/411,759.60 - Step 6: Final answer
x = 317,993.70
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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.