Finding the Fourth Proportional to 834,634.12, 1,251,964.14 and 203,559.88
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Solution
The fourth proportional to 834,634.12, 1,251,964.14 and 203,559.88 is: 305,342.98
Step by Step Solution
- Step 1: Write the proportion equation
834,634.12 : 1,251,964.14 = 203,559.88 : x - Step 2: Convert to fraction form
834,634.12/1,251,964.14 = 203,559.88/x - Step 3: Cross multiply
834,634.12x = 1,251,964.14 × 203,559.88 - Step 4: Simplify right side
834,634.12x = 254,849,670,102.70 - Step 5: Solve for x
x = 254,849,670,102.70/834,634.12 - Step 6: Final answer
x = 305,342.98
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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.