Finding the Fourth Proportional to 278,330.17, 417,437.83 and 136,029.37
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Solution
The fourth proportional to 278,330.17, 417,437.83 and 136,029.37 is: 204,015.99
Step by Step Solution
- Step 1: Write the proportion equation
278,330.17 : 417,437.83 = 136,029.37 : x - Step 2: Convert to fraction form
278,330.17/417,437.83 = 136,029.37/x - Step 3: Cross multiply
278,330.17x = 417,437.83 × 136,029.37 - Step 4: Simplify right side
278,330.17x = 56,783,805,029.07 - Step 5: Solve for x
x = 56,783,805,029.07/278,330.17 - Step 6: Final answer
x = 204,015.99
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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.