Finding the Fourth Proportional to 298,745.08, 412,263.02 and 162,780.14
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Solution
The fourth proportional to 298,745.08, 412,263.02 and 162,780.14 is: 224,633.77
Step by Step Solution
- Step 1: Write the proportion equation
298,745.08 : 412,263.02 = 162,780.14 : x - Step 2: Convert to fraction form
298,745.08/412,263.02 = 162,780.14/x - Step 3: Cross multiply
298,745.08x = 412,263.02 × 162,780.14 - Step 4: Simplify right side
298,745.08x = 67,108,232,112.42 - Step 5: Solve for x
x = 67,108,232,112.42/298,745.08 - Step 6: Final answer
x = 224,633.77
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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.