Finding the Fourth Proportional to 298,712.36, 412,203.84 and 177,862.52
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Solution
The fourth proportional to 298,712.36, 412,203.84 and 177,862.52 is: 245,438.83
Step by Step Solution
- Step 1: Write the proportion equation
298,712.36 : 412,203.84 = 177,862.52 : x - Step 2: Convert to fraction form
298,712.36/412,203.84 = 177,862.52/x - Step 3: Cross multiply
298,712.36x = 412,203.84 × 177,862.52 - Step 4: Simplify right side
298,712.36x = 73,315,614,099.60 - Step 5: Solve for x
x = 73,315,614,099.60/298,712.36 - Step 6: Final answer
x = 245,438.83
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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.