Finding the Fourth Proportional to 170,438.34, 235,157.67 and 110,011.53
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Solution
The fourth proportional to 170,438.34, 235,157.67 and 110,011.53 is: 151,785.42
Step by Step Solution
- Step 1: Write the proportion equation
170,438.34 : 235,157.67 = 110,011.53 : x - Step 2: Convert to fraction form
170,438.34/235,157.67 = 110,011.53/x - Step 3: Cross multiply
170,438.34x = 235,157.67 × 110,011.53 - Step 4: Simplify right side
170,438.34x = 25,870,055,067.94 - Step 5: Solve for x
x = 25,870,055,067.94/170,438.34 - Step 6: Final answer
x = 151,785.42
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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.