Finding the Fourth Proportional to 180,419.99, 270,631.12 and 47,299.06
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Solution
The fourth proportional to 180,419.99, 270,631.12 and 47,299.06 is: 70,948.89
Step by Step Solution
- Step 1: Write the proportion equation
180,419.99 : 270,631.12 = 47,299.06 : x - Step 2: Convert to fraction form
180,419.99/270,631.12 = 47,299.06/x - Step 3: Cross multiply
180,419.99x = 270,631.12 × 47,299.06 - Step 4: Simplify right side
180,419.99x = 12,800,597,582.75 - Step 5: Solve for x
x = 12,800,597,582.75/180,419.99 - Step 6: Final answer
x = 70,948.89
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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.