Finding the Fourth Proportional to 197,531.08, 272,596.39 and 111,507.26
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Solution
The fourth proportional to 197,531.08, 272,596.39 and 111,507.26 is: 153,881.99
Step by Step Solution
- Step 1: Write the proportion equation
197,531.08 : 272,596.39 = 111,507.26 : x - Step 2: Convert to fraction form
197,531.08/272,596.39 = 111,507.26/x - Step 3: Cross multiply
197,531.08x = 272,596.39 × 111,507.26 - Step 4: Simplify right side
197,531.08x = 30,396,474,893.04 - Step 5: Solve for x
x = 30,396,474,893.04/197,531.08 - Step 6: Final answer
x = 153,881.99
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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.