Finding the Fourth Proportional to 208,797.01, 288,140.63 and 113,303.70
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Solution
The fourth proportional to 208,797.01, 288,140.63 and 113,303.70 is: 156,359.52
Step by Step Solution
- Step 1: Write the proportion equation
208,797.01 : 288,140.63 = 113,303.70 : x - Step 2: Convert to fraction form
208,797.01/288,140.63 = 113,303.70/x - Step 3: Cross multiply
208,797.01x = 288,140.63 × 113,303.70 - Step 4: Simplify right side
208,797.01x = 32,647,398,932.81 - Step 5: Solve for x
x = 32,647,398,932.81/208,797.01 - Step 6: Final answer
x = 156,359.52
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1.5x scale
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.