Finding the Fourth Proportional to 170,686.36, 235,589.34 and 103,674.52
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Solution
The fourth proportional to 170,686.36, 235,589.34 and 103,674.52 is: 143,096.45
Step by Step Solution
- Step 1: Write the proportion equation
170,686.36 : 235,589.34 = 103,674.52 : x - Step 2: Convert to fraction form
170,686.36/235,589.34 = 103,674.52/x - Step 3: Cross multiply
170,686.36x = 235,589.34 × 103,674.52 - Step 4: Simplify right side
170,686.36x = 24,424,611,741.62 - Step 5: Solve for x
x = 24,424,611,741.62/170,686.36 - Step 6: Final answer
x = 143,096.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.