Finding the Fourth Proportional to 324,129.36, 447,320.97 and 180,917.31
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Solution
The fourth proportional to 324,129.36, 447,320.97 and 180,917.31 is: 249,678.42
Step by Step Solution
- Step 1: Write the proportion equation
324,129.36 : 447,320.97 = 180,917.31 : x - Step 2: Convert to fraction form
324,129.36/447,320.97 = 180,917.31/x - Step 3: Cross multiply
324,129.36x = 447,320.97 × 180,917.31 - Step 4: Simplify right side
324,129.36x = 80,928,106,598.99 - Step 5: Solve for x
x = 80,928,106,598.99/324,129.36 - Step 6: Final answer
x = 249,678.42
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.