Finding the Fourth Proportional to 461,113.70, 636,385.83 and 270,287.42
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Solution
The fourth proportional to 461,113.70, 636,385.83 and 270,287.42 is: 373,025.32
Step by Step Solution
- Step 1: Write the proportion equation
461,113.70 : 636,385.83 = 270,287.42 : x - Step 2: Convert to fraction form
461,113.70/636,385.83 = 270,287.42/x - Step 3: Cross multiply
461,113.70x = 636,385.83 × 270,287.42 - Step 4: Simplify right side
461,113.70x = 172,007,084,115.26 - Step 5: Solve for x
x = 172,007,084,115.26/461,113.70 - Step 6: Final answer
x = 373,025.32
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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.