Finding the Fourth Proportional to 211,680.51, 292,118.99 and 119,798.13
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Solution
The fourth proportional to 211,680.51, 292,118.99 and 119,798.13 is: 165,321.35
Step by Step Solution
- Step 1: Write the proportion equation
211,680.51 : 292,118.99 = 119,798.13 : x - Step 2: Convert to fraction form
211,680.51/292,118.99 = 119,798.13/x - Step 3: Cross multiply
211,680.51x = 292,118.99 × 119,798.13 - Step 4: Simplify right side
211,680.51x = 34,995,307,793.79 - Step 5: Solve for x
x = 34,995,307,793.79/211,680.51 - Step 6: Final answer
x = 165,321.35
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1.5x scale
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.