Finding the Fourth Proportional to 122,856.56, 184,284.64 and 38,624.09
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Solution
The fourth proportional to 122,856.56, 184,284.64 and 38,624.09 is: 57,936.07
Step by Step Solution
- Step 1: Write the proportion equation
122,856.56 : 184,284.64 = 38,624.09 : x - Step 2: Convert to fraction form
122,856.56/184,284.64 = 38,624.09/x - Step 3: Cross multiply
122,856.56x = 184,284.64 × 38,624.09 - Step 4: Simplify right side
122,856.56x = 7,117,826,467.18 - Step 5: Solve for x
x = 7,117,826,467.18/122,856.56 - Step 6: Final answer
x = 57,936.07
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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.