Finding the Fourth Proportional to 134,843.94, 202,252.04 and 84,772.20
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Solution
The fourth proportional to 134,843.94, 202,252.04 and 84,772.20 is: 127,149.59
Step by Step Solution
- Step 1: Write the proportion equation
134,843.94 : 202,252.04 = 84,772.20 : x - Step 2: Convert to fraction form
134,843.94/202,252.04 = 84,772.20/x - Step 3: Cross multiply
134,843.94x = 202,252.04 × 84,772.20 - Step 4: Simplify right side
134,843.94x = 17,145,351,037.77 - Step 5: Solve for x
x = 17,145,351,037.77/134,843.94 - Step 6: Final answer
x = 127,149.59
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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.