Finding the Fourth Proportional to 140,563.08, 210,872.84 and 51,817.05
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Solution
The fourth proportional to 140,563.08, 210,872.84 and 51,817.05 is: 77,735.98
Step by Step Solution
- Step 1: Write the proportion equation
140,563.08 : 210,872.84 = 51,817.05 : x - Step 2: Convert to fraction form
140,563.08/210,872.84 = 51,817.05/x - Step 3: Cross multiply
140,563.08x = 210,872.84 × 51,817.05 - Step 4: Simplify right side
140,563.08x = 10,926,808,234.84 - Step 5: Solve for x
x = 10,926,808,234.84/140,563.08 - Step 6: Final answer
x = 77,735.98
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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.