Finding the Fourth Proportional to 877,047.42, 1,315,571.17 and 212,199.42
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Solution
The fourth proportional to 877,047.42, 1,315,571.17 and 212,199.42 is: 318,299.14
Step by Step Solution
- Step 1: Write the proportion equation
877,047.42 : 1,315,571.17 = 212,199.42 : x - Step 2: Convert to fraction form
877,047.42/1,315,571.17 = 212,199.42/x - Step 3: Cross multiply
877,047.42x = 1,315,571.17 × 212,199.42 - Step 4: Simplify right side
877,047.42x = 279,163,439,242.72 - Step 5: Solve for x
x = 279,163,439,242.72/877,047.42 - Step 6: Final answer
x = 318,299.14
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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.