Finding the Fourth Proportional to 135,001.60, 202,502.40 and 128,440.60
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Solution
The fourth proportional to 135,001.60, 202,502.40 and 128,440.60 is: 192,660.90
Step by Step Solution
- Step 1: Write the proportion equation
135,001.60 : 202,502.40 = 128,440.60 : x - Step 2: Convert to fraction form
135,001.60/202,502.40 = 128,440.60/x - Step 3: Cross multiply
135,001.60x = 202,502.40 × 128,440.60 - Step 4: Simplify right side
135,001.60x = 26,009,529,757.44 - Step 5: Solve for x
x = 26,009,529,757.44/135,001.60 - Step 6: Final answer
x = 192,660.90
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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.