Finding the Fourth Proportional to 296,701.21, 409,445.99 and 160,737.82
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Solution
The fourth proportional to 296,701.21, 409,445.99 and 160,737.82 is: 221,817.28
Step by Step Solution
- Step 1: Write the proportion equation
296,701.21 : 409,445.99 = 160,737.82 : x - Step 2: Convert to fraction form
296,701.21/409,445.99 = 160,737.82/x - Step 3: Cross multiply
296,701.21x = 409,445.99 × 160,737.82 - Step 4: Simplify right side
296,701.21x = 65,813,454,615.80 - Step 5: Solve for x
x = 65,813,454,615.80/296,701.21 - Step 6: Final answer
x = 221,817.28
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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.