Finding the Fourth Proportional to 216,253.73, 324,449.99 and 103,942.09
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Solution
The fourth proportional to 216,253.73, 324,449.99 and 103,942.09 is: 155,946.49
Step by Step Solution
- Step 1: Write the proportion equation
216,253.73 : 324,449.99 = 103,942.09 : x - Step 2: Convert to fraction form
216,253.73/324,449.99 = 103,942.09/x - Step 3: Cross multiply
216,253.73x = 324,449.99 × 103,942.09 - Step 4: Simplify right side
216,253.73x = 33,724,009,509.81 - Step 5: Solve for x
x = 33,724,009,509.81/216,253.73 - Step 6: Final answer
x = 155,946.49
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1.5x scale
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.