Finding the Fourth Proportional to 298,628.75, 412,107.70 and 164,492.75
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Solution
The fourth proportional to 298,628.75, 412,107.70 and 164,492.75 is: 227,000.01
Step by Step Solution
- Step 1: Write the proportion equation
298,628.75 : 412,107.70 = 164,492.75 : x - Step 2: Convert to fraction form
298,628.75/412,107.70 = 164,492.75/x - Step 3: Cross multiply
298,628.75x = 412,107.70 × 164,492.75 - Step 4: Simplify right side
298,628.75x = 67,788,728,869.18 - Step 5: Solve for x
x = 67,788,728,869.18/298,628.75 - Step 6: Final answer
x = 227,000.01
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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.