Finding the Fourth Proportional to 156,464.07, 215,919.24 and 84,843.99
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Solution
The fourth proportional to 156,464.07, 215,919.24 and 84,843.99 is: 117,084.07
Step by Step Solution
- Step 1: Write the proportion equation
156,464.07 : 215,919.24 = 84,843.99 : x - Step 2: Convert to fraction form
156,464.07/215,919.24 = 84,843.99/x - Step 3: Cross multiply
156,464.07x = 215,919.24 × 84,843.99 - Step 4: Simplify right side
156,464.07x = 18,319,449,839.37 - Step 5: Solve for x
x = 18,319,449,839.37/156,464.07 - Step 6: Final answer
x = 117,084.07
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.