Finding the Fourth Proportional to 351,310.14, 526,979.76 and 101,992.14
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Solution
The fourth proportional to 351,310.14, 526,979.76 and 101,992.14 is: 152,992.43
Step by Step Solution
- Step 1: Write the proportion equation
351,310.14 : 526,979.76 = 101,992.14 : x - Step 2: Convert to fraction form
351,310.14/526,979.76 = 101,992.14/x - Step 3: Cross multiply
351,310.14x = 526,979.76 × 101,992.14 - Step 4: Simplify right side
351,310.14x = 53,747,793,459.09 - Step 5: Solve for x
x = 53,747,793,459.09/351,310.14 - Step 6: Final answer
x = 152,992.43
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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.