Finding the Fourth Proportional to 298,814.12, 412,363.49 and 164,678.12
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Solution
The fourth proportional to 298,814.12, 412,363.49 and 164,678.12 is: 227,255.80
Step by Step Solution
- Step 1: Write the proportion equation
298,814.12 : 412,363.49 = 164,678.12 : x - Step 2: Convert to fraction form
298,814.12/412,363.49 = 164,678.12/x - Step 3: Cross multiply
298,814.12x = 412,363.49 × 164,678.12 - Step 4: Simplify right side
298,814.12x = 67,907,241,404.63 - Step 5: Solve for x
x = 67,907,241,404.63/298,814.12 - Step 6: Final answer
x = 227,255.80
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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.