Finding the Fourth Proportional to 475,879.84, 656,715.12 and 261,021.67
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Solution
The fourth proportional to 475,879.84, 656,715.12 and 261,021.67 is: 360,210.42
Step by Step Solution
- Step 1: Write the proportion equation
475,879.84 : 656,715.12 = 261,021.67 : x - Step 2: Convert to fraction form
475,879.84/656,715.12 = 261,021.67/x - Step 3: Cross multiply
475,879.84x = 656,715.12 × 261,021.67 - Step 4: Simplify right side
475,879.84x = 171,416,877,336.65 - Step 5: Solve for x
x = 171,416,877,336.65/475,879.84 - Step 6: Final answer
x = 360,210.42
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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.