Finding the Fourth Proportional to 251,756.06, 377,504.21 and 74,239.99
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Solution
The fourth proportional to 251,756.06, 377,504.21 and 74,239.99 is: 111,321.68
Step by Step Solution
- Step 1: Write the proportion equation
251,756.06 : 377,504.21 = 74,239.99 : x - Step 2: Convert to fraction form
251,756.06/377,504.21 = 74,239.99/x - Step 3: Cross multiply
251,756.06x = 377,504.21 × 74,239.99 - Step 4: Simplify right side
251,756.06x = 28,025,908,017.20 - Step 5: Solve for x
x = 28,025,908,017.20/251,756.06 - Step 6: Final answer
x = 111,321.68
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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.