Finding the Fourth Proportional to 121,237.36, 181,856.04 and 36,997.96
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Solution
The fourth proportional to 121,237.36, 181,856.04 and 36,997.96 is: 55,496.94
Step by Step Solution
- Step 1: Write the proportion equation
121,237.36 : 181,856.04 = 36,997.96 : x - Step 2: Convert to fraction form
121,237.36/181,856.04 = 36,997.96/x - Step 3: Cross multiply
121,237.36x = 181,856.04 × 36,997.96 - Step 4: Simplify right side
121,237.36x = 6,728,301,854.05 - Step 5: Solve for x
x = 6,728,301,854.05/121,237.36 - Step 6: Final answer
x = 55,496.94
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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.