Finding the Fourth Proportional to 285,819.68, 428,833.52 and 98,850.08
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Solution
The fourth proportional to 285,819.68, 428,833.52 and 98,850.08 is: 148,311.09
Step by Step Solution
- Step 1: Write the proportion equation
285,819.68 : 428,833.52 = 98,850.08 : x - Step 2: Convert to fraction form
285,819.68/428,833.52 = 98,850.08/x - Step 3: Cross multiply
285,819.68x = 428,833.52 × 98,850.08 - Step 4: Simplify right side
285,819.68x = 42,390,227,758.68 - Step 5: Solve for x
x = 42,390,227,758.68/285,819.68 - Step 6: Final answer
x = 148,311.09
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.