Finding the Fourth Proportional to 122,621.57, 183,857.08 and 47,654.18
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Solution
The fourth proportional to 122,621.57, 183,857.08 and 47,654.18 is: 71,452.02
Step by Step Solution
- Step 1: Write the proportion equation
122,621.57 : 183,857.08 = 47,654.18 : x - Step 2: Convert to fraction form
122,621.57/183,857.08 = 47,654.18/x - Step 3: Cross multiply
122,621.57x = 183,857.08 × 47,654.18 - Step 4: Simplify right side
122,621.57x = 8,761,558,384.59 - Step 5: Solve for x
x = 8,761,558,384.59/122,621.57 - Step 6: Final answer
x = 71,452.02
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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.