Finding the Fourth Proportional to 257,801.44, 355,768.42 and 144,626.62
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Solution
The fourth proportional to 257,801.44, 355,768.42 and 144,626.62 is: 199,586.10
Step by Step Solution
- Step 1: Write the proportion equation
257,801.44 : 355,768.42 = 144,626.62 : x - Step 2: Convert to fraction form
257,801.44/355,768.42 = 144,626.62/x - Step 3: Cross multiply
257,801.44x = 355,768.42 × 144,626.62 - Step 4: Simplify right side
257,801.44x = 51,453,583,364.21 - Step 5: Solve for x
x = 51,453,583,364.21/257,801.44 - Step 6: Final answer
x = 199,586.10
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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.