Finding the Fourth Proportional to 100,840.92, 151,261.38 and 37,665.99
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Solution
The fourth proportional to 100,840.92, 151,261.38 and 37,665.99 is: 56,498.99
Step by Step Solution
- Step 1: Write the proportion equation
100,840.92 : 151,261.38 = 37,665.99 : x - Step 2: Convert to fraction form
100,840.92/151,261.38 = 37,665.99/x - Step 3: Cross multiply
100,840.92x = 151,261.38 × 37,665.99 - Step 4: Simplify right side
100,840.92x = 5,697,409,626.47 - Step 5: Solve for x
x = 5,697,409,626.47/100,840.92 - Step 6: Final answer
x = 56,498.99
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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.