Finding the Fourth Proportional to 618,056.19, 927,228.87 and 191,569.68
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Solution
The fourth proportional to 618,056.19, 927,228.87 and 191,569.68 is: 287,399.33
Step by Step Solution
- Step 1: Write the proportion equation
618,056.19 : 927,228.87 = 191,569.68 : x - Step 2: Convert to fraction form
618,056.19/927,228.87 = 191,569.68/x - Step 3: Cross multiply
618,056.19x = 927,228.87 × 191,569.68 - Step 4: Simplify right side
618,056.19x = 177,628,937,912.66 - Step 5: Solve for x
x = 177,628,937,912.66/618,056.19 - Step 6: Final answer
x = 287,399.33
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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.