Finding the Fourth Proportional to 149,979.19, 223,645.97 and 148,629.04
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Solution
The fourth proportional to 149,979.19, 223,645.97 and 148,629.04 is: 221,632.65
Step by Step Solution
- Step 1: Write the proportion equation
149,979.19 : 223,645.97 = 148,629.04 : x - Step 2: Convert to fraction form
149,979.19/223,645.97 = 148,629.04/x - Step 3: Cross multiply
149,979.19x = 223,645.97 × 148,629.04 - Step 4: Simplify right side
149,979.19x = 33,240,285,820.97 - Step 5: Solve for x
x = 33,240,285,820.97/149,979.19 - Step 6: Final answer
x = 221,632.65
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.