Finding the Fourth Proportional to 163,391.82, 245,297.62 and 125,975.66
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Solution
The fourth proportional to 163,391.82, 245,297.62 and 125,975.66 is: 189,125.31
Step by Step Solution
- Step 1: Write the proportion equation
163,391.82 : 245,297.62 = 125,975.66 : x - Step 2: Convert to fraction form
163,391.82/245,297.62 = 125,975.66/x - Step 3: Cross multiply
163,391.82x = 245,297.62 × 125,975.66 - Step 4: Simplify right side
163,391.82x = 30,901,527,798.30 - Step 5: Solve for x
x = 30,901,527,798.30/163,391.82 - Step 6: Final answer
x = 189,125.31
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1.5x scale
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.