Finding the Fourth Proportional to 213,793.03, 294,987.51 and 127,739.09
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Solution
The fourth proportional to 213,793.03, 294,987.51 and 127,739.09 is: 176,251.94
Step by Step Solution
- Step 1: Write the proportion equation
213,793.03 : 294,987.51 = 127,739.09 : x - Step 2: Convert to fraction form
213,793.03/294,987.51 = 127,739.09/x - Step 3: Cross multiply
213,793.03x = 294,987.51 × 127,739.09 - Step 4: Simplify right side
213,793.03x = 37,681,436,088.77 - Step 5: Solve for x
x = 37,681,436,088.77/213,793.03 - Step 6: Final answer
x = 176,251.94
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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.