Finding the Fourth Proportional to 165,069.42, 246,876.39 and 143,698.79
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Solution
The fourth proportional to 165,069.42, 246,876.39 and 143,698.79 is: 214,914.65
Step by Step Solution
- Step 1: Write the proportion equation
165,069.42 : 246,876.39 = 143,698.79 : x - Step 2: Convert to fraction form
165,069.42/246,876.39 = 143,698.79/x - Step 3: Cross multiply
165,069.42x = 246,876.39 × 143,698.79 - Step 4: Simplify right side
165,069.42x = 35,475,837,288.19 - Step 5: Solve for x
x = 35,475,837,288.19/165,069.42 - Step 6: Final answer
x = 214,914.65
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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.