Finding the Fourth Proportional to 264,977.70, 397,466.55 and 115,289.70
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Solution
The fourth proportional to 264,977.70, 397,466.55 and 115,289.70 is: 172,934.55
Step by Step Solution
- Step 1: Write the proportion equation
264,977.70 : 397,466.55 = 115,289.70 : x - Step 2: Convert to fraction form
264,977.70/397,466.55 = 115,289.70/x - Step 3: Cross multiply
264,977.70x = 397,466.55 × 115,289.70 - Step 4: Simplify right side
264,977.70x = 45,823,799,309.54 - Step 5: Solve for x
x = 45,823,799,309.54/264,977.70 - Step 6: Final answer
x = 172,934.55
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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.