Finding the Fourth Proportional to 383,896.68, 575,844.90 and 206,159.19
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Solution
The fourth proportional to 383,896.68, 575,844.90 and 206,159.19 is: 309,238.72
Step by Step Solution
- Step 1: Write the proportion equation
383,896.68 : 575,844.90 = 206,159.19 : x - Step 2: Convert to fraction form
383,896.68/575,844.90 = 206,159.19/x - Step 3: Cross multiply
383,896.68x = 575,844.90 × 206,159.19 - Step 4: Simplify right side
383,896.68x = 118,715,718,149.63 - Step 5: Solve for x
x = 118,715,718,149.63/383,896.68 - Step 6: Final answer
x = 309,238.72
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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.