Finding the Fourth Proportional to 325,149.46, 487,093.20 and 239,605.09
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Solution
The fourth proportional to 325,149.46, 487,093.20 and 239,605.09 is: 358,942.65
Step by Step Solution
- Step 1: Write the proportion equation
325,149.46 : 487,093.20 = 239,605.09 : x - Step 2: Convert to fraction form
325,149.46/487,093.20 = 239,605.09/x - Step 3: Cross multiply
325,149.46x = 487,093.20 × 239,605.09 - Step 4: Simplify right side
325,149.46x = 116,710,007,908.14 - Step 5: Solve for x
x = 116,710,007,908.14/325,149.46 - Step 6: Final answer
x = 358,942.65
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1.5x scale
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.