Finding the Fourth Proportional to 170,290.32, 234,990.72 and 125,157.84
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Solution
The fourth proportional to 170,290.32, 234,990.72 and 125,157.84 is: 172,710.53
Step by Step Solution
- Step 1: Write the proportion equation
170,290.32 : 234,990.72 = 125,157.84 : x - Step 2: Convert to fraction form
170,290.32/234,990.72 = 125,157.84/x - Step 3: Cross multiply
170,290.32x = 234,990.72 × 125,157.84 - Step 4: Simplify right side
170,290.32x = 29,410,930,935.24 - Step 5: Solve for x
x = 29,410,930,935.24/170,290.32 - Step 6: Final answer
x = 172,710.53
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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.