Finding the Fourth Proportional to 339,435.18, 468,354.26 and 194,285.36
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Solution
The fourth proportional to 339,435.18, 468,354.26 and 194,285.36 is: 268,075.86
Step by Step Solution
- Step 1: Write the proportion equation
339,435.18 : 468,354.26 = 194,285.36 : x - Step 2: Convert to fraction form
339,435.18/468,354.26 = 194,285.36/x - Step 3: Cross multiply
339,435.18x = 468,354.26 × 194,285.36 - Step 4: Simplify right side
339,435.18x = 90,994,377,668.23 - Step 5: Solve for x
x = 90,994,377,668.23/339,435.18 - Step 6: Final answer
x = 268,075.86
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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.