Finding the Fourth Proportional to 298,793.76, 412,329.96 and 162,828.84
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Solution
The fourth proportional to 298,793.76, 412,329.96 and 162,828.84 is: 224,700.84
Step by Step Solution
- Step 1: Write the proportion equation
298,793.76 : 412,329.96 = 162,828.84 : x - Step 2: Convert to fraction form
298,793.76/412,329.96 = 162,828.84/x - Step 3: Cross multiply
298,793.76x = 412,329.96 × 162,828.84 - Step 4: Simplify right side
298,793.76x = 67,139,209,084.05 - Step 5: Solve for x
x = 67,139,209,084.05/298,793.76 - Step 6: Final answer
x = 224,700.84
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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.