Finding the Fourth Proportional to 305,199.36, 421,200.12 and 169,276.08
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Solution
The fourth proportional to 305,199.36, 421,200.12 and 169,276.08 is: 233,614.86
Step by Step Solution
- Step 1: Write the proportion equation
305,199.36 : 421,200.12 = 169,276.08 : x - Step 2: Convert to fraction form
305,199.36/421,200.12 = 169,276.08/x - Step 3: Cross multiply
305,199.36x = 421,200.12 × 169,276.08 - Step 4: Simplify right side
305,199.36x = 71,299,105,209.13 - Step 5: Solve for x
x = 71,299,105,209.13/305,199.36 - Step 6: Final answer
x = 233,614.86
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.