Finding the Fourth Proportional to 122,893.70, 184,340.55 and 110,427.80
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Solution
The fourth proportional to 122,893.70, 184,340.55 and 110,427.80 is: 165,641.70
Step by Step Solution
- Step 1: Write the proportion equation
122,893.70 : 184,340.55 = 110,427.80 : x - Step 2: Convert to fraction form
122,893.70/184,340.55 = 110,427.80/x - Step 3: Cross multiply
122,893.70x = 184,340.55 × 110,427.80 - Step 4: Simplify right side
122,893.70x = 20,356,321,387.29 - Step 5: Solve for x
x = 20,356,321,387.29/122,893.70 - Step 6: Final answer
x = 165,641.70
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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.