Finding the Fourth Proportional to 178,052.37, 245,712.32 and 97,485.09
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Solution
The fourth proportional to 178,052.37, 245,712.32 and 97,485.09 is: 134,529.45
Step by Step Solution
- Step 1: Write the proportion equation
178,052.37 : 245,712.32 = 97,485.09 : x - Step 2: Convert to fraction form
178,052.37/245,712.32 = 97,485.09/x - Step 3: Cross multiply
178,052.37x = 245,712.32 × 97,485.09 - Step 4: Simplify right side
178,052.37x = 23,953,287,629.31 - Step 5: Solve for x
x = 23,953,287,629.31/178,052.37 - Step 6: Final answer
x = 134,529.45
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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.