Finding the Fourth Proportional to 178,804.64, 246,749.38 and 98,230.44
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Solution
The fourth proportional to 178,804.64, 246,749.38 and 98,230.44 is: 135,557.45
Step by Step Solution
- Step 1: Write the proportion equation
178,804.64 : 246,749.38 = 98,230.44 : x - Step 2: Convert to fraction form
178,804.64/246,749.38 = 98,230.44/x - Step 3: Cross multiply
178,804.64x = 246,749.38 × 98,230.44 - Step 4: Simplify right side
178,804.64x = 24,238,300,167.13 - Step 5: Solve for x
x = 24,238,300,167.13/178,804.64 - Step 6: Final answer
x = 135,557.45
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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.