Finding the Fourth Proportional to 200,074.08, 276,071.58 and 115,174.74
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Solution
The fourth proportional to 200,074.08, 276,071.58 and 115,174.74 is: 158,923.50
Step by Step Solution
- Step 1: Write the proportion equation
200,074.08 : 276,071.58 = 115,174.74 : x - Step 2: Convert to fraction form
200,074.08/276,071.58 = 115,174.74/x - Step 3: Cross multiply
200,074.08x = 276,071.58 × 115,174.74 - Step 4: Simplify right side
200,074.08x = 31,796,472,447.89 - Step 5: Solve for x
x = 31,796,472,447.89/200,074.08 - Step 6: Final answer
x = 158,923.50
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1.5x scale
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.