Finding the Fourth Proportional to 80,282.99, 120,430.71 and 24,118.70
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Solution
The fourth proportional to 80,282.99, 120,430.71 and 24,118.70 is: 36,179.91
Step by Step Solution
- Step 1: Write the proportion equation
80,282.99 : 120,430.71 = 24,118.70 : x - Step 2: Convert to fraction form
80,282.99/120,430.71 = 24,118.70/x - Step 3: Cross multiply
80,282.99x = 120,430.71 × 24,118.70 - Step 4: Simplify right side
80,282.99x = 2,904,631,563.12 - Step 5: Solve for x
x = 2,904,631,563.12/80,282.99 - Step 6: Final answer
x = 36,179.91
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1.5x scale
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.