Finding the Fourth Proportional to 264,903.52, 397,346.36 and 115,143.70
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Solution
The fourth proportional to 264,903.52, 397,346.36 and 115,143.70 is: 172,711.67
Step by Step Solution
- Step 1: Write the proportion equation
264,903.52 : 397,346.36 = 115,143.70 : x - Step 2: Convert to fraction form
264,903.52/397,346.36 = 115,143.70/x - Step 3: Cross multiply
264,903.52x = 397,346.36 × 115,143.70 - Step 4: Simplify right side
264,903.52x = 45,751,930,071.93 - Step 5: Solve for x
x = 45,751,930,071.93/264,903.52 - Step 6: Final answer
x = 172,711.67
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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.