Finding the Fourth Proportional to 165,242.09, 228,033.50 and 93,635.80
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Solution
The fourth proportional to 165,242.09, 228,033.50 and 93,635.80 is: 129,217.06
Step by Step Solution
- Step 1: Write the proportion equation
165,242.09 : 228,033.50 = 93,635.80 : x - Step 2: Convert to fraction form
165,242.09/228,033.50 = 93,635.80/x - Step 3: Cross multiply
165,242.09x = 228,033.50 × 93,635.80 - Step 4: Simplify right side
165,242.09x = 21,352,098,161.04 - Step 5: Solve for x
x = 21,352,098,161.04/165,242.09 - Step 6: Final answer
x = 129,217.06
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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.