Finding the Fourth Proportional to 298,913.70, 449,144.91 and 224,733.09
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Solution
The fourth proportional to 298,913.70, 449,144.91 and 224,733.09 is: 337,681.82
Step by Step Solution
- Step 1: Write the proportion equation
298,913.70 : 449,144.91 = 224,733.09 : x - Step 2: Convert to fraction form
298,913.70/449,144.91 = 224,733.09/x - Step 3: Cross multiply
298,913.70x = 449,144.91 × 224,733.09 - Step 4: Simplify right side
298,913.70x = 100,937,723,482.07 - Step 5: Solve for x
x = 100,937,723,482.07/298,913.70 - Step 6: Final answer
x = 337,681.82
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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.