Finding the Fourth Proportional to 268,130.71, 402,195.60 and 68,451.07
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Solution
The fourth proportional to 268,130.71, 402,195.60 and 68,451.07 is: 102,676.49
Step by Step Solution
- Step 1: Write the proportion equation
268,130.71 : 402,195.60 = 68,451.07 : x - Step 2: Convert to fraction form
268,130.71/402,195.60 = 68,451.07/x - Step 3: Cross multiply
268,130.71x = 402,195.60 × 68,451.07 - Step 4: Simplify right side
268,130.71x = 27,530,719,169.29 - Step 5: Solve for x
x = 27,530,719,169.29/268,130.71 - Step 6: Final answer
x = 102,676.49
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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.