Finding the Fourth Proportional to 199,620.70, 299,431.05 and 179,937.70
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Solution
The fourth proportional to 199,620.70, 299,431.05 and 179,937.70 is: 269,906.55
Step by Step Solution
- Step 1: Write the proportion equation
199,620.70 : 299,431.05 = 179,937.70 : x - Step 2: Convert to fraction form
199,620.70/299,431.05 = 179,937.70/x - Step 3: Cross multiply
199,620.70x = 299,431.05 × 179,937.70 - Step 4: Simplify right side
199,620.70x = 53,878,934,445.59 - Step 5: Solve for x
x = 53,878,934,445.59/199,620.70 - Step 6: Final answer
x = 269,906.55
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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.