Finding the Fourth Proportional to 298,744.08, 412,261.63 and 162,779.14
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Solution
The fourth proportional to 298,744.08, 412,261.63 and 162,779.14 is: 224,632.38
Step by Step Solution
- Step 1: Write the proportion equation
298,744.08 : 412,261.63 = 162,779.14 : x - Step 2: Convert to fraction form
298,744.08/412,261.63 = 162,779.14/x - Step 3: Cross multiply
298,744.08x = 412,261.63 × 162,779.14 - Step 4: Simplify right side
298,744.08x = 67,107,593,586.40 - Step 5: Solve for x
x = 67,107,593,586.40/298,744.08 - Step 6: Final answer
x = 224,632.38
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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.