Finding the Fourth Proportional to 339,393.93, 509,092.11 and 114,756.23
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Solution
The fourth proportional to 339,393.93, 509,092.11 and 114,756.23 is: 172,134.75
Step by Step Solution
- Step 1: Write the proportion equation
339,393.93 : 509,092.11 = 114,756.23 : x - Step 2: Convert to fraction form
339,393.93/509,092.11 = 114,756.23/x - Step 3: Cross multiply
339,393.93x = 509,092.11 × 114,756.23 - Step 4: Simplify right side
339,393.93x = 58,421,488,720.88 - Step 5: Solve for x
x = 58,421,488,720.88/339,393.93 - Step 6: Final answer
x = 172,134.75
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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.