Finding the Fourth Proportional to 296,474.99, 409,132.28 and 160,506.43
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Solution
The fourth proportional to 296,474.99, 409,132.28 and 160,506.43 is: 221,497.14
Step by Step Solution
- Step 1: Write the proportion equation
296,474.99 : 409,132.28 = 160,506.43 : x - Step 2: Convert to fraction form
296,474.99/409,132.28 = 160,506.43/x - Step 3: Cross multiply
296,474.99x = 409,132.28 × 160,506.43 - Step 4: Simplify right side
296,474.99x = 65,668,361,039.00 - Step 5: Solve for x
x = 65,668,361,039.00/296,474.99 - Step 6: Final answer
x = 221,497.14
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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.