Finding the Fourth Proportional to 366,890.10, 550,389.83 and 130,212.96
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Solution
The fourth proportional to 366,890.10, 550,389.83 and 130,212.96 is: 195,338.84
Step by Step Solution
- Step 1: Write the proportion equation
366,890.10 : 550,389.83 = 130,212.96 : x - Step 2: Convert to fraction form
366,890.10/550,389.83 = 130,212.96/x - Step 3: Cross multiply
366,890.10x = 550,389.83 × 130,212.96 - Step 4: Simplify right side
366,890.10x = 71,667,888,267.13 - Step 5: Solve for x
x = 71,667,888,267.13/366,890.10 - Step 6: Final answer
x = 195,338.84
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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.