Finding the Fourth Proportional to 270,142.12, 372,794.70 and 149,291.80
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Solution
The fourth proportional to 270,142.12, 372,794.70 and 149,291.80 is: 206,021.90
Step by Step Solution
- Step 1: Write the proportion equation
270,142.12 : 372,794.70 = 149,291.80 : x - Step 2: Convert to fraction form
270,142.12/372,794.70 = 149,291.80/x - Step 3: Cross multiply
270,142.12x = 372,794.70 × 149,291.80 - Step 4: Simplify right side
270,142.12x = 55,655,191,793.46 - Step 5: Solve for x
x = 55,655,191,793.46/270,142.12 - Step 6: Final answer
x = 206,021.90
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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.