Finding the Fourth Proportional to 299,161.80, 448,358.76 and 130,636.44
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Solution
The fourth proportional to 299,161.80, 448,358.76 and 130,636.44 is: 195,787.00
Step by Step Solution
- Step 1: Write the proportion equation
299,161.80 : 448,358.76 = 130,636.44 : x - Step 2: Convert to fraction form
299,161.80/448,358.76 = 130,636.44/x - Step 3: Cross multiply
299,161.80x = 448,358.76 × 130,636.44 - Step 4: Simplify right side
299,161.80x = 58,571,992,249.21 - Step 5: Solve for x
x = 58,571,992,249.21/299,161.80 - Step 6: Final answer
x = 195,787.00
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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.