Finding the Fourth Proportional to 278,156.36, 417,067.92 and 88,534.82
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Solution
The fourth proportional to 278,156.36, 417,067.92 and 88,534.82 is: 132,749.20
Step by Step Solution
- Step 1: Write the proportion equation
278,156.36 : 417,067.92 = 88,534.82 : x - Step 2: Convert to fraction form
278,156.36/417,067.92 = 88,534.82/x - Step 3: Cross multiply
278,156.36x = 417,067.92 × 88,534.82 - Step 4: Simplify right side
278,156.36x = 36,925,033,224.97 - Step 5: Solve for x
x = 36,925,033,224.97/278,156.36 - Step 6: Final answer
x = 132,749.20
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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.