Finding the Fourth Proportional to 66,807.12, 100,207.17 and 22,434.78
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Solution
The fourth proportional to 66,807.12, 100,207.17 and 22,434.78 is: 33,650.99
Step by Step Solution
- Step 1: Write the proportion equation
66,807.12 : 100,207.17 = 22,434.78 : x - Step 2: Convert to fraction form
66,807.12/100,207.17 = 22,434.78/x - Step 3: Cross multiply
66,807.12x = 100,207.17 × 22,434.78 - Step 4: Simplify right side
66,807.12x = 2,248,125,813.37 - Step 5: Solve for x
x = 2,248,125,813.37/66,807.12 - Step 6: Final answer
x = 33,650.99
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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.