Finding the Fourth Proportional to 370,821.16, 556,231.47 and 134,108.65
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Solution
The fourth proportional to 370,821.16, 556,231.47 and 134,108.65 is: 201,162.88
Step by Step Solution
- Step 1: Write the proportion equation
370,821.16 : 556,231.47 = 134,108.65 : x - Step 2: Convert to fraction form
370,821.16/556,231.47 = 134,108.65/x - Step 3: Cross multiply
370,821.16x = 556,231.47 × 134,108.65 - Step 4: Simplify right side
370,821.16x = 74,595,451,529.22 - Step 5: Solve for x
x = 74,595,451,529.22/370,821.16 - Step 6: Final answer
x = 201,162.88
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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.