Finding the Fourth Proportional to 208,301.76, 312,320.21 and 176,722.70
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Solution
The fourth proportional to 208,301.76, 312,320.21 and 176,722.70 is: 264,971.68
Step by Step Solution
- Step 1: Write the proportion equation
208,301.76 : 312,320.21 = 176,722.70 : x - Step 2: Convert to fraction form
208,301.76/312,320.21 = 176,722.70/x - Step 3: Cross multiply
208,301.76x = 312,320.21 × 176,722.70 - Step 4: Simplify right side
208,301.76x = 55,194,068,330.55 - Step 5: Solve for x
x = 55,194,068,330.55/208,301.76 - Step 6: Final answer
x = 264,971.68
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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.