Finding the Fourth Proportional to 331,045.12, 496,421.92 and 94,334.08
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Solution
The fourth proportional to 331,045.12, 496,421.92 and 94,334.08 is: 141,459.58
Step by Step Solution
- Step 1: Write the proportion equation
331,045.12 : 496,421.92 = 94,334.08 : x - Step 2: Convert to fraction form
331,045.12/496,421.92 = 94,334.08/x - Step 3: Cross multiply
331,045.12x = 496,421.92 × 94,334.08 - Step 4: Simplify right side
331,045.12x = 46,829,505,115.03 - Step 5: Solve for x
x = 46,829,505,115.03/331,045.12 - Step 6: Final answer
x = 141,459.58
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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.