Finding the Fourth Proportional to 122,940.95, 184,276.08 and 48,047.13
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Solution
The fourth proportional to 122,940.95, 184,276.08 and 48,047.13 is: 72,017.80
Step by Step Solution
- Step 1: Write the proportion equation
122,940.95 : 184,276.08 = 48,047.13 : x - Step 2: Convert to fraction form
122,940.95/184,276.08 = 48,047.13/x - Step 3: Cross multiply
122,940.95x = 184,276.08 × 48,047.13 - Step 4: Simplify right side
122,940.95x = 8,853,936,771.65 - Step 5: Solve for x
x = 8,853,936,771.65/122,940.95 - Step 6: Final answer
x = 72,017.80
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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.