Finding the Fourth Proportional to 330,371.46, 455,983.56 and 201,351.96
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Solution
The fourth proportional to 330,371.46, 455,983.56 and 201,351.96 is: 277,908.94
Step by Step Solution
- Step 1: Write the proportion equation
330,371.46 : 455,983.56 = 201,351.96 : x - Step 2: Convert to fraction form
330,371.46/455,983.56 = 201,351.96/x - Step 3: Cross multiply
330,371.46x = 455,983.56 × 201,351.96 - Step 4: Simplify right side
330,371.46x = 91,813,183,533.78 - Step 5: Solve for x
x = 91,813,183,533.78/330,371.46 - Step 6: Final answer
x = 277,908.94
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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.