Finding the Fourth Proportional to 153,613.36, 230,238.96 and 69,274.80
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Solution
The fourth proportional to 153,613.36, 230,238.96 and 69,274.80 is: 103,830.54
Step by Step Solution
- Step 1: Write the proportion equation
153,613.36 : 230,238.96 = 69,274.80 : x - Step 2: Convert to fraction form
153,613.36/230,238.96 = 69,274.80/x - Step 3: Cross multiply
153,613.36x = 230,238.96 × 69,274.80 - Step 4: Simplify right side
153,613.36x = 15,949,757,906.21 - Step 5: Solve for x
x = 15,949,757,906.21/153,613.36 - Step 6: Final answer
x = 103,830.54
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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.