Finding the Fourth Proportional to 123,106.94, 184,657.16 and 38,863.70
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Solution
The fourth proportional to 123,106.94, 184,657.16 and 38,863.70 is: 58,294.52
Step by Step Solution
- Step 1: Write the proportion equation
123,106.94 : 184,657.16 = 38,863.70 : x - Step 2: Convert to fraction form
123,106.94/184,657.16 = 38,863.70/x - Step 3: Cross multiply
123,106.94x = 184,657.16 × 38,863.70 - Step 4: Simplify right side
123,106.94x = 7,176,460,469.09 - Step 5: Solve for x
x = 7,176,460,469.09/123,106.94 - Step 6: Final answer
x = 58,294.52
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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.