Finding the Fourth Proportional to 117,229.74, 175,342.26 and 108,720.96
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Solution
The fourth proportional to 117,229.74, 175,342.26 and 108,720.96 is: 162,615.55
Step by Step Solution
- Step 1: Write the proportion equation
117,229.74 : 175,342.26 = 108,720.96 : x - Step 2: Convert to fraction form
117,229.74/175,342.26 = 108,720.96/x - Step 3: Cross multiply
117,229.74x = 175,342.26 × 108,720.96 - Step 4: Simplify right side
117,229.74x = 19,063,378,835.77 - Step 5: Solve for x
x = 19,063,378,835.77/117,229.74 - Step 6: Final answer
x = 162,615.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.