Finding the Fourth Proportional to 133,197.12, 199,729.62 and 48,953.88
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Solution
The fourth proportional to 133,197.12, 199,729.62 and 48,953.88 is: 73,406.54
Step by Step Solution
- Step 1: Write the proportion equation
133,197.12 : 199,729.62 = 48,953.88 : x - Step 2: Convert to fraction form
133,197.12/199,729.62 = 48,953.88/x - Step 3: Cross multiply
133,197.12x = 199,729.62 × 48,953.88 - Step 4: Simplify right side
133,197.12x = 9,777,539,849.93 - Step 5: Solve for x
x = 9,777,539,849.93/133,197.12 - Step 6: Final answer
x = 73,406.54
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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.