Finding the Fourth Proportional to 234,323.20, 351,412.09 and 84,544.07
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Solution
The fourth proportional to 234,323.20, 351,412.09 and 84,544.07 is: 126,789.87
Step by Step Solution
- Step 1: Write the proportion equation
234,323.20 : 351,412.09 = 84,544.07 : x - Step 2: Convert to fraction form
234,323.20/351,412.09 = 84,544.07/x - Step 3: Cross multiply
234,323.20x = 351,412.09 × 84,544.07 - Step 4: Simplify right side
234,323.20x = 29,709,808,335.81 - Step 5: Solve for x
x = 29,709,808,335.81/234,323.20 - Step 6: Final answer
x = 126,789.87
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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.