Finding the Fourth Proportional to 153,979.62, 230,977.62 and 48,806.79
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Solution
The fourth proportional to 153,979.62, 230,977.62 and 48,806.79 is: 73,212.78
Step by Step Solution
- Step 1: Write the proportion equation
153,979.62 : 230,977.62 = 48,806.79 : x - Step 2: Convert to fraction form
153,979.62/230,977.62 = 48,806.79/x - Step 3: Cross multiply
153,979.62x = 230,977.62 × 48,806.79 - Step 4: Simplify right side
153,979.62x = 11,273,276,194.04 - Step 5: Solve for x
x = 11,273,276,194.04/153,979.62 - Step 6: Final answer
x = 73,212.78
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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.