Finding the Fourth Proportional to 211,247.01, 316,649.07 and 98,832.47
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Solution
The fourth proportional to 211,247.01, 316,649.07 and 98,832.47 is: 148,145.09
Step by Step Solution
- Step 1: Write the proportion equation
211,247.01 : 316,649.07 = 98,832.47 : x - Step 2: Convert to fraction form
211,247.01/316,649.07 = 98,832.47/x - Step 3: Cross multiply
211,247.01x = 316,649.07 × 98,832.47 - Step 4: Simplify right side
211,247.01x = 31,295,208,128.06 - Step 5: Solve for x
x = 31,295,208,128.06/211,247.01 - Step 6: Final answer
x = 148,145.09
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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.