Finding the Fourth Proportional to 397,777.72, 596,607.30 and 131,539.63
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Solution
The fourth proportional to 397,777.72, 596,607.30 and 131,539.63 is: 197,289.84
Step by Step Solution
- Step 1: Write the proportion equation
397,777.72 : 596,607.30 = 131,539.63 : x - Step 2: Convert to fraction form
397,777.72/596,607.30 = 131,539.63/x - Step 3: Cross multiply
397,777.72x = 596,607.30 × 131,539.63 - Step 4: Simplify right side
397,777.72x = 78,477,503,497.30 - Step 5: Solve for x
x = 78,477,503,497.30/397,777.72 - Step 6: Final answer
x = 197,289.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.