Finding the Fourth Proportional to 131,654.62, 197,502.36 and 42,887.44
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Solution
The fourth proportional to 131,654.62, 197,502.36 and 42,887.44 is: 64,337.82
Step by Step Solution
- Step 1: Write the proportion equation
131,654.62 : 197,502.36 = 42,887.44 : x - Step 2: Convert to fraction form
131,654.62/197,502.36 = 42,887.44/x - Step 3: Cross multiply
131,654.62x = 197,502.36 × 42,887.44 - Step 4: Simplify right side
131,654.62x = 8,470,370,614.36 - Step 5: Solve for x
x = 8,470,370,614.36/131,654.62 - Step 6: Final answer
x = 64,337.82
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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.