Finding the Fourth Proportional to 122,769.18, 184,079.70 and 46,872.68
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Solution
The fourth proportional to 122,769.18, 184,079.70 and 46,872.68 is: 70,280.73
Step by Step Solution
- Step 1: Write the proportion equation
122,769.18 : 184,079.70 = 46,872.68 : x - Step 2: Convert to fraction form
122,769.18/184,079.70 = 46,872.68/x - Step 3: Cross multiply
122,769.18x = 184,079.70 × 46,872.68 - Step 4: Simplify right side
122,769.18x = 8,628,307,952.20 - Step 5: Solve for x
x = 8,628,307,952.20/122,769.18 - Step 6: Final answer
x = 70,280.73
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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.