Finding the Fourth Proportional to 286,108.62, 394,901.10 and 165,319.80
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Solution
The fourth proportional to 286,108.62, 394,901.10 and 165,319.80 is: 228,182.47
Step by Step Solution
- Step 1: Write the proportion equation
286,108.62 : 394,901.10 = 165,319.80 : x - Step 2: Convert to fraction form
286,108.62/394,901.10 = 165,319.80/x - Step 3: Cross multiply
286,108.62x = 394,901.10 × 165,319.80 - Step 4: Simplify right side
286,108.62x = 65,284,970,871.78 - Step 5: Solve for x
x = 65,284,970,871.78/286,108.62 - Step 6: Final answer
x = 228,182.47
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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.