Finding the Fourth Proportional to 339,405.93, 509,110.11 and 114,768.23
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Solution
The fourth proportional to 339,405.93, 509,110.11 and 114,768.23 is: 172,152.75
Step by Step Solution
- Step 1: Write the proportion equation
339,405.93 : 509,110.11 = 114,768.23 : x - Step 2: Convert to fraction form
339,405.93/509,110.11 = 114,768.23/x - Step 3: Cross multiply
339,405.93x = 509,110.11 × 114,768.23 - Step 4: Simplify right side
339,405.93x = 58,429,663,654.25 - Step 5: Solve for x
x = 58,429,663,654.25/339,405.93 - Step 6: Final answer
x = 172,152.75
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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.