Finding the Fourth Proportional to 226,625.99, 312,722.12 and 124,649.69
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Solution
The fourth proportional to 226,625.99, 312,722.12 and 124,649.69 is: 172,004.61
Step by Step Solution
- Step 1: Write the proportion equation
226,625.99 : 312,722.12 = 124,649.69 : x - Step 2: Convert to fraction form
226,625.99/312,722.12 = 124,649.69/x - Step 3: Cross multiply
226,625.99x = 312,722.12 × 124,649.69 - Step 4: Simplify right side
226,625.99x = 38,980,714,690.89 - Step 5: Solve for x
x = 38,980,714,690.89/226,625.99 - Step 6: Final answer
x = 172,004.61
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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.