Finding the Fourth Proportional to 357,772.21, 493,731.41 and 204,809.79
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Solution
The fourth proportional to 357,772.21, 493,731.41 and 204,809.79 is: 282,640.80
Step by Step Solution
- Step 1: Write the proportion equation
357,772.21 : 493,731.41 = 204,809.79 : x - Step 2: Convert to fraction form
357,772.21/493,731.41 = 204,809.79/x - Step 3: Cross multiply
357,772.21x = 493,731.41 × 204,809.79 - Step 4: Simplify right side
357,772.21x = 101,121,025,059.04 - Step 5: Solve for x
x = 101,121,025,059.04/357,772.21 - Step 6: Final answer
x = 282,640.80
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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.