Finding the Fourth Proportional to 397,027.64, 547,897.11 and 215,739.59
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Solution
The fourth proportional to 397,027.64, 547,897.11 and 215,739.59 is: 297,720.07
Step by Step Solution
- Step 1: Write the proportion equation
397,027.64 : 547,897.11 = 215,739.59 : x - Step 2: Convert to fraction form
397,027.64/547,897.11 = 215,739.59/x - Step 3: Cross multiply
397,027.64x = 547,897.11 × 215,739.59 - Step 4: Simplify right side
397,027.64x = 118,203,097,873.59 - Step 5: Solve for x
x = 118,203,097,873.59/397,027.64 - Step 6: Final answer
x = 297,720.07
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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.