Finding the Fourth Proportional to 188,705.44, 260,520.96 and 125,129.08
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Solution
The fourth proportional to 188,705.44, 260,520.96 and 125,129.08 is: 172,749.38
Step by Step Solution
- Step 1: Write the proportion equation
188,705.44 : 260,520.96 = 125,129.08 : x - Step 2: Convert to fraction form
188,705.44/260,520.96 = 125,129.08/x - Step 3: Cross multiply
188,705.44x = 260,520.96 × 125,129.08 - Step 4: Simplify right side
188,705.44x = 32,598,748,045.52 - Step 5: Solve for x
x = 32,598,748,045.52/188,705.44 - Step 6: Final answer
x = 172,749.38
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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.