Finding the Fourth Proportional to 193,621.80, 290,432.70 and 160,853.80
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Solution
The fourth proportional to 193,621.80, 290,432.70 and 160,853.80 is: 241,280.70
Step by Step Solution
- Step 1: Write the proportion equation
193,621.80 : 290,432.70 = 160,853.80 : x - Step 2: Convert to fraction form
193,621.80/290,432.70 = 160,853.80/x - Step 3: Cross multiply
193,621.80x = 290,432.70 × 160,853.80 - Step 4: Simplify right side
193,621.80x = 46,717,203,439.26 - Step 5: Solve for x
x = 46,717,203,439.26/193,621.80 - Step 6: Final answer
x = 241,280.70
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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.