Finding the Fourth Proportional to 165,331.71, 228,159.68 and 91,745.65
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Solution
The fourth proportional to 165,331.71, 228,159.68 and 91,745.65 is: 126,610.06
Step by Step Solution
- Step 1: Write the proportion equation
165,331.71 : 228,159.68 = 91,745.65 : x - Step 2: Convert to fraction form
165,331.71/228,159.68 = 91,745.65/x - Step 3: Cross multiply
165,331.71x = 228,159.68 × 91,745.65 - Step 4: Simplify right side
165,331.71x = 20,932,658,100.88 - Step 5: Solve for x
x = 20,932,658,100.88/165,331.71 - Step 6: Final answer
x = 126,610.06
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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.