Finding the Fourth Proportional to 122,320.05, 183,480.08 and 117,654.45
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Solution
The fourth proportional to 122,320.05, 183,480.08 and 117,654.45 is: 176,481.68
Step by Step Solution
- Step 1: Write the proportion equation
122,320.05 : 183,480.08 = 117,654.45 : x - Step 2: Convert to fraction form
122,320.05/183,480.08 = 117,654.45/x - Step 3: Cross multiply
122,320.05x = 183,480.08 × 117,654.45 - Step 4: Simplify right side
122,320.05x = 21,587,247,310.08 - Step 5: Solve for x
x = 21,587,247,310.08/122,320.05 - Step 6: Final answer
x = 176,481.68
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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.