Finding the Fourth Proportional to 281,522.66, 388,404.74 and 160,576.91
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Solution
The fourth proportional to 281,522.66, 388,404.74 and 160,576.91 is: 221,541.07
Step by Step Solution
- Step 1: Write the proportion equation
281,522.66 : 388,404.74 = 160,576.91 : x - Step 2: Convert to fraction form
281,522.66/388,404.74 = 160,576.91/x - Step 3: Cross multiply
281,522.66x = 388,404.74 × 160,576.91 - Step 4: Simplify right side
281,522.66x = 62,368,831,437.97 - Step 5: Solve for x
x = 62,368,831,437.97/281,522.66 - Step 6: Final answer
x = 221,541.07
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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.