Finding the Fourth Proportional to 278,733.84, 383,949.36 and 224,868.03
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Solution
The fourth proportional to 278,733.84, 383,949.36 and 224,868.03 is: 309,750.46
Step by Step Solution
- Step 1: Write the proportion equation
278,733.84 : 383,949.36 = 224,868.03 : x - Step 2: Convert to fraction form
278,733.84/383,949.36 = 224,868.03/x - Step 3: Cross multiply
278,733.84x = 383,949.36 × 224,868.03 - Step 4: Simplify right side
278,733.84x = 86,337,936,202.96 - Step 5: Solve for x
x = 86,337,936,202.96/278,733.84 - Step 6: Final answer
x = 309,750.46
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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.