Finding the Fourth Proportional to 171,893.80, 257,840.70 and 119,405.80
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Solution
The fourth proportional to 171,893.80, 257,840.70 and 119,405.80 is: 179,108.70
Step by Step Solution
- Step 1: Write the proportion equation
171,893.80 : 257,840.70 = 119,405.80 : x - Step 2: Convert to fraction form
171,893.80/257,840.70 = 119,405.80/x - Step 3: Cross multiply
171,893.80x = 257,840.70 × 119,405.80 - Step 4: Simplify right side
171,893.80x = 30,787,675,056.06 - Step 5: Solve for x
x = 30,787,675,056.06/171,893.80 - Step 6: Final answer
x = 179,108.70
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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.