Finding the Fourth Proportional to 245,207.04, 367,869.84 and 85,259.88
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Solution
The fourth proportional to 245,207.04, 367,869.84 and 85,259.88 is: 127,910.43
Step by Step Solution
- Step 1: Write the proportion equation
245,207.04 : 367,869.84 = 85,259.88 : x - Step 2: Convert to fraction form
245,207.04/367,869.84 = 85,259.88/x - Step 3: Cross multiply
245,207.04x = 367,869.84 × 85,259.88 - Step 4: Simplify right side
245,207.04x = 31,364,538,414.02 - Step 5: Solve for x
x = 31,364,538,414.02/245,207.04 - Step 6: Final answer
x = 127,910.43
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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.