Finding the Fourth Proportional to 298,804.83, 412,340.19 and 162,835.99
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Solution
The fourth proportional to 298,804.83, 412,340.19 and 162,835.99 is: 224,707.96
Step by Step Solution
- Step 1: Write the proportion equation
298,804.83 : 412,340.19 = 162,835.99 : x - Step 2: Convert to fraction form
298,804.83/412,340.19 = 162,835.99/x - Step 3: Cross multiply
298,804.83x = 412,340.19 × 162,835.99 - Step 4: Simplify right side
298,804.83x = 67,143,823,055.44 - Step 5: Solve for x
x = 67,143,823,055.44/298,804.83 - Step 6: Final answer
x = 224,707.96
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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.