Finding the Fourth Proportional to 254,288.68, 350,919.09 and 139,568.26
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Solution
The fourth proportional to 254,288.68, 350,919.09 and 139,568.26 is: 192,604.59
Step by Step Solution
- Step 1: Write the proportion equation
254,288.68 : 350,919.09 = 139,568.26 : x - Step 2: Convert to fraction form
254,288.68/350,919.09 = 139,568.26/x - Step 3: Cross multiply
254,288.68x = 350,919.09 × 139,568.26 - Step 4: Simplify right side
254,288.68x = 48,977,166,792.08 - Step 5: Solve for x
x = 48,977,166,792.08/254,288.68 - Step 6: Final answer
x = 192,604.59
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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.