Finding the Fourth Proportional to 122,249.51, 183,358.68 and 47,318.39
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Solution
The fourth proportional to 122,249.51, 183,358.68 and 47,318.39 is: 70,971.55
Step by Step Solution
- Step 1: Write the proportion equation
122,249.51 : 183,358.68 = 47,318.39 : x - Step 2: Convert to fraction form
122,249.51/183,358.68 = 47,318.39/x - Step 3: Cross multiply
122,249.51x = 183,358.68 × 47,318.39 - Step 4: Simplify right side
122,249.51x = 8,676,237,530.13 - Step 5: Solve for x
x = 8,676,237,530.13/122,249.51 - Step 6: Final answer
x = 70,971.55
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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.