Finding the Fourth Proportional to 298,354.07, 411,737.34 and 162,396.79
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Solution
The fourth proportional to 298,354.07, 411,737.34 and 162,396.79 is: 224,112.32
Step by Step Solution
- Step 1: Write the proportion equation
298,354.07 : 411,737.34 = 162,396.79 : x - Step 2: Convert to fraction form
298,354.07/411,737.34 = 162,396.79/x - Step 3: Cross multiply
298,354.07x = 411,737.34 × 162,396.79 - Step 4: Simplify right side
298,354.07x = 66,864,822,339.14 - Step 5: Solve for x
x = 66,864,822,339.14/298,354.07 - Step 6: Final answer
x = 224,112.32
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1.5x scale
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.