Finding the Fourth Proportional to 286,425.20, 395,177.80 and 165,522.44
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Solution
The fourth proportional to 286,425.20, 395,177.80 and 165,522.44 is: 228,369.55
Step by Step Solution
- Step 1: Write the proportion equation
286,425.20 : 395,177.80 = 165,522.44 : x - Step 2: Convert to fraction form
286,425.20/395,177.80 = 165,522.44/x - Step 3: Cross multiply
286,425.20x = 395,177.80 × 165,522.44 - Step 4: Simplify right side
286,425.20x = 65,410,793,689.83 - Step 5: Solve for x
x = 65,410,793,689.83/286,425.20 - Step 6: Final answer
x = 228,369.55
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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.