Finding the Fourth Proportional to 286,915.05, 430,396.67 and 87,237.17
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Solution
The fourth proportional to 286,915.05, 430,396.67 and 87,237.17 is: 130,863.08
Step by Step Solution
- Step 1: Write the proportion equation
286,915.05 : 430,396.67 = 87,237.17 : x - Step 2: Convert to fraction form
286,915.05/430,396.67 = 87,237.17/x - Step 3: Cross multiply
286,915.05x = 430,396.67 × 87,237.17 - Step 4: Simplify right side
286,915.05x = 37,546,585,956.05 - Step 5: Solve for x
x = 37,546,585,956.05/286,915.05 - Step 6: Final answer
x = 130,863.08
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.