Finding the Fourth Proportional to 189,181.74, 261,060.37 and 108,603.99
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Solution
The fourth proportional to 189,181.74, 261,060.37 and 108,603.99 is: 149,867.51
Step by Step Solution
- Step 1: Write the proportion equation
189,181.74 : 261,060.37 = 108,603.99 : x - Step 2: Convert to fraction form
189,181.74/261,060.37 = 108,603.99/x - Step 3: Cross multiply
189,181.74x = 261,060.37 × 108,603.99 - Step 4: Simplify right side
189,181.74x = 28,352,197,541.37 - Step 5: Solve for x
x = 28,352,197,541.37/189,181.74 - Step 6: Final answer
x = 149,867.51
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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.