Finding the Fourth Proportional to 296,568.99, 409,265.42 and 160,603.09
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Solution
The fourth proportional to 296,568.99, 409,265.42 and 160,603.09 is: 221,632.38
Step by Step Solution
- Step 1: Write the proportion equation
296,568.99 : 409,265.42 = 160,603.09 : x - Step 2: Convert to fraction form
296,568.99/409,265.42 = 160,603.09/x - Step 3: Cross multiply
296,568.99x = 409,265.42 × 160,603.09 - Step 4: Simplify right side
296,568.99x = 65,729,291,082.15 - Step 5: Solve for x
x = 65,729,291,082.15/296,568.99 - Step 6: Final answer
x = 221,632.38
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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.