Finding the Fourth Proportional to 277,904.87, 383,640.96 and 186,182.09
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Solution
The fourth proportional to 277,904.87, 383,640.96 and 186,182.09 is: 257,019.88
Step by Step Solution
- Step 1: Write the proportion equation
277,904.87 : 383,640.96 = 186,182.09 : x - Step 2: Convert to fraction form
277,904.87/383,640.96 = 186,182.09/x - Step 3: Cross multiply
277,904.87x = 383,640.96 × 186,182.09 - Step 4: Simplify right side
277,904.87x = 71,427,075,742.41 - Step 5: Solve for x
x = 71,427,075,742.41/277,904.87 - Step 6: Final answer
x = 257,019.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.