Finding the Fourth Proportional to 296,487.40, 409,155.81 and 160,524.17
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Solution
The fourth proportional to 296,487.40, 409,155.81 and 160,524.17 is: 221,525.09
Step by Step Solution
- Step 1: Write the proportion equation
296,487.40 : 409,155.81 = 160,524.17 : x - Step 2: Convert to fraction form
296,487.40/409,155.81 = 160,524.17/x - Step 3: Cross multiply
296,487.40x = 409,155.81 × 160,524.17 - Step 4: Simplify right side
296,487.40x = 65,679,396,800.93 - Step 5: Solve for x
x = 65,679,396,800.93/296,487.40 - Step 6: Final answer
x = 221,525.09
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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.