Finding the Fourth Proportional to 987,158.43, 1,480,828.01 and 277,181.68
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Solution
The fourth proportional to 987,158.43, 1,480,828.01 and 277,181.68 is: 415,797.89
Step by Step Solution
- Step 1: Write the proportion equation
987,158.43 : 1,480,828.01 = 277,181.68 : x - Step 2: Convert to fraction form
987,158.43/1,480,828.01 = 277,181.68/x - Step 3: Cross multiply
987,158.43x = 1,480,828.01 × 277,181.68 - Step 4: Simplify right side
987,158.43x = 410,458,395,602.86 - Step 5: Solve for x
x = 410,458,395,602.86/987,158.43 - Step 6: Final answer
x = 415,797.89
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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.