Finding the Fourth Proportional to 213,327.60, 294,390.24 and 117,840.96
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Solution
The fourth proportional to 213,327.60, 294,390.24 and 117,840.96 is: 162,619.50
Step by Step Solution
- Step 1: Write the proportion equation
213,327.60 : 294,390.24 = 117,840.96 : x - Step 2: Convert to fraction form
213,327.60/294,390.24 = 117,840.96/x - Step 3: Cross multiply
213,327.60x = 294,390.24 × 117,840.96 - Step 4: Simplify right side
213,327.60x = 34,691,228,496.23 - Step 5: Solve for x
x = 34,691,228,496.23/213,327.60 - Step 6: Final answer
x = 162,619.50
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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.