Finding the Fourth Proportional to 416,664.20, 575,031.94 and 235,409.40
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Solution
The fourth proportional to 416,664.20, 575,031.94 and 235,409.40 is: 324,884.94
Step by Step Solution
- Step 1: Write the proportion equation
416,664.20 : 575,031.94 = 235,409.40 : x - Step 2: Convert to fraction form
416,664.20/575,031.94 = 235,409.40/x - Step 3: Cross multiply
416,664.20x = 575,031.94 × 235,409.40 - Step 4: Simplify right side
416,664.20x = 135,367,923,976.24 - Step 5: Solve for x
x = 135,367,923,976.24/416,664.20 - Step 6: Final answer
x = 324,884.94
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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.