Finding the Fourth Proportional to 296,626.08, 409,343.12 and 160,659.48
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Solution
The fourth proportional to 296,626.08, 409,343.12 and 160,659.48 is: 221,709.61
Step by Step Solution
- Step 1: Write the proportion equation
296,626.08 : 409,343.12 = 160,659.48 : x - Step 2: Convert to fraction form
296,626.08/409,343.12 = 160,659.48/x - Step 3: Cross multiply
296,626.08x = 409,343.12 × 160,659.48 - Step 4: Simplify right side
296,626.08x = 65,764,852,800.78 - Step 5: Solve for x
x = 65,764,852,800.78/296,626.08 - Step 6: Final answer
x = 221,709.61
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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.