Finding the Fourth Proportional to 339,356.06, 509,035.59 and 114,717.68
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Solution
The fourth proportional to 339,356.06, 509,035.59 and 114,717.68 is: 172,077.02
Step by Step Solution
- Step 1: Write the proportion equation
339,356.06 : 509,035.59 = 114,717.68 : x - Step 2: Convert to fraction form
339,356.06/509,035.59 = 114,717.68/x - Step 3: Cross multiply
339,356.06x = 509,035.59 × 114,717.68 - Step 4: Simplify right side
339,356.06x = 58,395,379,377.05 - Step 5: Solve for x
x = 58,395,379,377.05/339,356.06 - Step 6: Final answer
x = 172,077.02
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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.