Finding the Fourth Proportional to 268,423.84, 370,431.97 and 147,568.17
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Solution
The fourth proportional to 268,423.84, 370,431.97 and 147,568.17 is: 203,647.96
Step by Step Solution
- Step 1: Write the proportion equation
268,423.84 : 370,431.97 = 147,568.17 : x - Step 2: Convert to fraction form
268,423.84/370,431.97 = 147,568.17/x - Step 3: Cross multiply
268,423.84x = 370,431.97 × 147,568.17 - Step 4: Simplify right side
268,423.84x = 54,663,967,922.39 - Step 5: Solve for x
x = 54,663,967,922.39/268,423.84 - Step 6: Final answer
x = 203,647.96
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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.