Finding the Fourth Proportional to 171,559.55, 257,356.43 and 71,750.99
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Solution
The fourth proportional to 171,559.55, 257,356.43 and 71,750.99 is: 107,633.64
Step by Step Solution
- Step 1: Write the proportion equation
171,559.55 : 257,356.43 = 71,750.99 : x - Step 2: Convert to fraction form
171,559.55/257,356.43 = 71,750.99/x - Step 3: Cross multiply
171,559.55x = 257,356.43 × 71,750.99 - Step 4: Simplify right side
171,559.55x = 18,465,578,635.37 - Step 5: Solve for x
x = 18,465,578,635.37/171,559.55 - Step 6: Final answer
x = 107,633.64
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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.