Finding the Fourth Proportional to 227,649.36, 314,158.65 and 125,674.87
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Solution
The fourth proportional to 227,649.36, 314,158.65 and 125,674.87 is: 173,432.72
Step by Step Solution
- Step 1: Write the proportion equation
227,649.36 : 314,158.65 = 125,674.87 : x - Step 2: Convert to fraction form
227,649.36/314,158.65 = 125,674.87/x - Step 3: Cross multiply
227,649.36x = 314,158.65 × 125,674.87 - Step 4: Simplify right side
227,649.36x = 39,481,847,498.13 - Step 5: Solve for x
x = 39,481,847,498.13/227,649.36 - Step 6: Final answer
x = 173,432.72
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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.