Finding the Fourth Proportional to 339,475.41, 509,214.24 and 126,290.07
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Solution
The fourth proportional to 339,475.41, 509,214.24 and 126,290.07 is: 189,435.52
Step by Step Solution
- Step 1: Write the proportion equation
339,475.41 : 509,214.24 = 126,290.07 : x - Step 2: Convert to fraction form
339,475.41/509,214.24 = 126,290.07/x - Step 3: Cross multiply
339,475.41x = 509,214.24 × 126,290.07 - Step 4: Simplify right side
339,475.41x = 64,308,702,014.60 - Step 5: Solve for x
x = 64,308,702,014.60/339,475.41 - Step 6: Final answer
x = 189,435.52
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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.