Finding the Fourth Proportional to 80,214.04, 120,439.35 and 44,744.67
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Solution
The fourth proportional to 80,214.04, 120,439.35 and 44,744.67 is: 67,182.99
Step by Step Solution
- Step 1: Write the proportion equation
80,214.04 : 120,439.35 = 44,744.67 : x - Step 2: Convert to fraction form
80,214.04/120,439.35 = 44,744.67/x - Step 3: Cross multiply
80,214.04x = 120,439.35 × 44,744.67 - Step 4: Simplify right side
80,214.04x = 5,389,018,970.76 - Step 5: Solve for x
x = 5,389,018,970.76/80,214.04 - Step 6: Final answer
x = 67,182.99
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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.