Finding the Fourth Proportional to 117,634.24, 176,407.20 and 42,735.88
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Solution
The fourth proportional to 117,634.24, 176,407.20 and 42,735.88 is: 64,087.78
Step by Step Solution
- Step 1: Write the proportion equation
117,634.24 : 176,407.20 = 42,735.88 : x - Step 2: Convert to fraction form
117,634.24/176,407.20 = 42,735.88/x - Step 3: Cross multiply
117,634.24x = 176,407.20 × 42,735.88 - Step 4: Simplify right side
117,634.24x = 7,538,916,930.34 - Step 5: Solve for x
x = 7,538,916,930.34/117,634.24 - Step 6: Final answer
x = 64,087.78
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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.