Finding the Fourth Proportional to 80,430.80, 120,649.35 and 24,270.92
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Solution
The fourth proportional to 80,430.80, 120,649.35 and 24,270.92 is: 36,407.32
Step by Step Solution
- Step 1: Write the proportion equation
80,430.80 : 120,649.35 = 24,270.92 : x - Step 2: Convert to fraction form
80,430.80/120,649.35 = 24,270.92/x - Step 3: Cross multiply
80,430.80x = 120,649.35 × 24,270.92 - Step 4: Simplify right side
80,430.80x = 2,928,270,186.26 - Step 5: Solve for x
x = 2,928,270,186.26/80,430.80 - Step 6: Final answer
x = 36,407.32
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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.