Finding the Fourth Proportional to 311,565.24, 467,347.86 and 74,907.92
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Solution
The fourth proportional to 311,565.24, 467,347.86 and 74,907.92 is: 112,361.87
Step by Step Solution
- Step 1: Write the proportion equation
311,565.24 : 467,347.86 = 74,907.92 : x - Step 2: Convert to fraction form
311,565.24/467,347.86 = 74,907.92/x - Step 3: Cross multiply
311,565.24x = 467,347.86 × 74,907.92 - Step 4: Simplify right side
311,565.24x = 35,008,053,491.41 - Step 5: Solve for x
x = 35,008,053,491.41/311,565.24 - Step 6: Final answer
x = 112,361.87
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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.