Finding the Fourth Proportional to 392,852.08, 542,135.96 and 214,004.08
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Solution
The fourth proportional to 392,852.08, 542,135.96 and 214,004.08 is: 295,325.68
Step by Step Solution
- Step 1: Write the proportion equation
392,852.08 : 542,135.96 = 214,004.08 : x - Step 2: Convert to fraction form
392,852.08/542,135.96 = 214,004.08/x - Step 3: Cross multiply
392,852.08x = 542,135.96 × 214,004.08 - Step 4: Simplify right side
392,852.08x = 116,019,307,354.72 - Step 5: Solve for x
x = 116,019,307,354.72/392,852.08 - Step 6: Final answer
x = 295,325.68
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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.