Finding the Fourth Proportional to 109,355.19, 164,032.79 and 26,249.19
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Solution
The fourth proportional to 109,355.19, 164,032.79 and 26,249.19 is: 39,373.79
Step by Step Solution
- Step 1: Write the proportion equation
109,355.19 : 164,032.79 = 26,249.19 : x - Step 2: Convert to fraction form
109,355.19/164,032.79 = 26,249.19/x - Step 3: Cross multiply
109,355.19x = 164,032.79 × 26,249.19 - Step 4: Simplify right side
109,355.19x = 4,305,727,936.56 - Step 5: Solve for x
x = 4,305,727,936.56/109,355.19 - Step 6: Final answer
x = 39,373.79
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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.