Finding the Fourth Proportional to 178,027.57, 245,670.64 and 97,453.09
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Solution
The fourth proportional to 178,027.57, 245,670.64 and 97,453.09 is: 134,481.21
Step by Step Solution
- Step 1: Write the proportion equation
178,027.57 : 245,670.64 = 97,453.09 : x - Step 2: Convert to fraction form
178,027.57/245,670.64 = 97,453.09/x - Step 3: Cross multiply
178,027.57x = 245,670.64 × 97,453.09 - Step 4: Simplify right side
178,027.57x = 23,941,362,990.28 - Step 5: Solve for x
x = 23,941,362,990.28/178,027.57 - Step 6: Final answer
x = 134,481.21
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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.