Finding the Fourth Proportional to 236,114.49, 325,828.35 and 128,682.12
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Solution
The fourth proportional to 236,114.49, 325,828.35 and 128,682.12 is: 177,576.07
Step by Step Solution
- Step 1: Write the proportion equation
236,114.49 : 325,828.35 = 128,682.12 : x - Step 2: Convert to fraction form
236,114.49/325,828.35 = 128,682.12/x - Step 3: Cross multiply
236,114.49x = 325,828.35 × 128,682.12 - Step 4: Simplify right side
236,114.49x = 41,928,282,834.10 - Step 5: Solve for x
x = 41,928,282,834.10/236,114.49 - Step 6: Final answer
x = 177,576.07
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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.