Finding the Fourth Proportional to 165,346.41, 228,177.09 and 91,758.10
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Solution
The fourth proportional to 165,346.41, 228,177.09 and 91,758.10 is: 126,625.65
Step by Step Solution
- Step 1: Write the proportion equation
165,346.41 : 228,177.09 = 91,758.10 : x - Step 2: Convert to fraction form
165,346.41/228,177.09 = 91,758.10/x - Step 3: Cross multiply
165,346.41x = 228,177.09 × 91,758.10 - Step 4: Simplify right side
165,346.41x = 20,937,096,241.93 - Step 5: Solve for x
x = 20,937,096,241.93/165,346.41 - Step 6: Final answer
x = 126,625.65
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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.