Finding the Fourth Proportional to 230,678.26, 345,894.06 and 118,312.63
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Solution
The fourth proportional to 230,678.26, 345,894.06 and 118,312.63 is: 177,405.69
Step by Step Solution
- Step 1: Write the proportion equation
230,678.26 : 345,894.06 = 118,312.63 : x - Step 2: Convert to fraction form
230,678.26/345,894.06 = 118,312.63/x - Step 3: Cross multiply
230,678.26x = 345,894.06 × 118,312.63 - Step 4: Simplify right side
230,678.26x = 40,923,635,939.98 - Step 5: Solve for x
x = 40,923,635,939.98/230,678.26 - Step 6: Final answer
x = 177,405.69
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1.5x scale
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.