Finding the Fourth Proportional to 170,400.77, 235,149.91 and 92,877.09
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Solution
The fourth proportional to 170,400.77, 235,149.91 and 92,877.09 is: 128,168.67
Step by Step Solution
- Step 1: Write the proportion equation
170,400.77 : 235,149.91 = 92,877.09 : x - Step 2: Convert to fraction form
170,400.77/235,149.91 = 92,877.09/x - Step 3: Cross multiply
170,400.77x = 235,149.91 × 92,877.09 - Step 4: Simplify right side
170,400.77x = 21,840,039,354.56 - Step 5: Solve for x
x = 21,840,039,354.56/170,400.77 - Step 6: Final answer
x = 128,168.67
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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.