Finding the Fourth Proportional to 122,125.62, 183,214.72 and 37,884.08
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Solution
The fourth proportional to 122,125.62, 183,214.72 and 37,884.08 is: 56,834.28
Step by Step Solution
- Step 1: Write the proportion equation
122,125.62 : 183,214.72 = 37,884.08 : x - Step 2: Convert to fraction form
122,125.62/183,214.72 = 37,884.08/x - Step 3: Cross multiply
122,125.62x = 183,214.72 × 37,884.08 - Step 4: Simplify right side
122,125.62x = 6,940,921,109.66 - Step 5: Solve for x
x = 6,940,921,109.66/122,125.62 - Step 6: Final answer
x = 56,834.28
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1.5x scale
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.