Finding the Fourth Proportional to 395,344.36, 545,032.94 and 250,077.88
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Solution
The fourth proportional to 395,344.36, 545,032.94 and 250,077.88 is: 344,764.45
Step by Step Solution
- Step 1: Write the proportion equation
395,344.36 : 545,032.94 = 250,077.88 : x - Step 2: Convert to fraction form
395,344.36/545,032.94 = 250,077.88/x - Step 3: Cross multiply
395,344.36x = 545,032.94 × 250,077.88 - Step 4: Simplify right side
395,344.36x = 136,300,682,165.37 - Step 5: Solve for x
x = 136,300,682,165.37/395,344.36 - Step 6: Final answer
x = 344,764.45
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1.5x scale
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.