Finding the Fourth Proportional to 341,775.70, 512,509.95 and 131,343.70
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Solution
The fourth proportional to 341,775.70, 512,509.95 and 131,343.70 is: 196,956.52
Step by Step Solution
- Step 1: Write the proportion equation
341,775.70 : 512,509.95 = 131,343.70 : x - Step 2: Convert to fraction form
341,775.70/512,509.95 = 131,343.70/x - Step 3: Cross multiply
341,775.70x = 512,509.95 × 131,343.70 - Step 4: Simplify right side
341,775.70x = 67,314,953,119.82 - Step 5: Solve for x
x = 67,314,953,119.82/341,775.70 - Step 6: Final answer
x = 196,956.52
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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.