Finding the Fourth Proportional to 122,195.76, 183,235.68 and 47,350.80
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Solution
The fourth proportional to 122,195.76, 183,235.68 and 47,350.80 is: 71,003.74
Step by Step Solution
- Step 1: Write the proportion equation
122,195.76 : 183,235.68 = 47,350.80 : x - Step 2: Convert to fraction form
122,195.76/183,235.68 = 47,350.80/x - Step 3: Cross multiply
122,195.76x = 183,235.68 × 47,350.80 - Step 4: Simplify right side
122,195.76x = 8,676,356,036.54 - Step 5: Solve for x
x = 8,676,356,036.54/122,195.76 - Step 6: Final answer
x = 71,003.74
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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.