Finding the Fourth Proportional to 298,700.47, 412,205.40 and 162,733.99
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Solution
The fourth proportional to 298,700.47, 412,205.40 and 162,733.99 is: 224,572.23
Step by Step Solution
- Step 1: Write the proportion equation
298,700.47 : 412,205.40 = 162,733.99 : x - Step 2: Convert to fraction form
298,700.47/412,205.40 = 162,733.99/x - Step 3: Cross multiply
298,700.47x = 412,205.40 × 162,733.99 - Step 4: Simplify right side
298,700.47x = 67,079,829,441.55 - Step 5: Solve for x
x = 67,079,829,441.55/298,700.47 - Step 6: Final answer
x = 224,572.23
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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.