Finding the Fourth Proportional to 339,714.45, 468,851.41 and 219,206.09
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Solution
The fourth proportional to 339,714.45, 468,851.41 and 219,206.09 is: 302,533.75
Step by Step Solution
- Step 1: Write the proportion equation
339,714.45 : 468,851.41 = 219,206.09 : x - Step 2: Convert to fraction form
339,714.45/468,851.41 = 219,206.09/x - Step 3: Cross multiply
339,714.45x = 468,851.41 × 219,206.09 - Step 4: Simplify right side
339,714.45x = 102,775,084,377.09 - Step 5: Solve for x
x = 102,775,084,377.09/339,714.45 - Step 6: Final answer
x = 302,533.75
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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.