Finding the Fourth Proportional to 315,207.44, 434,986.37 and 202,030.19
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Solution
The fourth proportional to 315,207.44, 434,986.37 and 202,030.19 is: 278,801.73
Step by Step Solution
- Step 1: Write the proportion equation
315,207.44 : 434,986.37 = 202,030.19 : x - Step 2: Convert to fraction form
315,207.44/434,986.37 = 202,030.19/x - Step 3: Cross multiply
315,207.44x = 434,986.37 × 202,030.19 - Step 4: Simplify right side
315,207.44x = 87,880,378,978.51 - Step 5: Solve for x
x = 87,880,378,978.51/315,207.44 - Step 6: Final answer
x = 278,801.73
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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.