Finding the Fourth Proportional to 110,793.64, 152,927.94 and 77,270.44
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Solution
The fourth proportional to 110,793.64, 152,927.94 and 77,270.44 is: 106,656.02
Step by Step Solution
- Step 1: Write the proportion equation
110,793.64 : 152,927.94 = 77,270.44 : x - Step 2: Convert to fraction form
110,793.64/152,927.94 = 77,270.44/x - Step 3: Cross multiply
110,793.64x = 152,927.94 × 77,270.44 - Step 4: Simplify right side
110,793.64x = 11,816,809,212.09 - Step 5: Solve for x
x = 11,816,809,212.09/110,793.64 - Step 6: Final answer
x = 106,656.02
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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.