Finding the Fourth Proportional to 423,292.88, 634,942.84 and 107,749.20
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Solution
The fourth proportional to 423,292.88, 634,942.84 and 107,749.20 is: 161,624.70
Step by Step Solution
- Step 1: Write the proportion equation
423,292.88 : 634,942.84 = 107,749.20 : x - Step 2: Convert to fraction form
423,292.88/634,942.84 = 107,749.20/x - Step 3: Cross multiply
423,292.88x = 634,942.84 × 107,749.20 - Step 4: Simplify right side
423,292.88x = 68,414,583,055.73 - Step 5: Solve for x
x = 68,414,583,055.73/423,292.88 - Step 6: Final answer
x = 161,624.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.