Finding the Fourth Proportional to 313,695.24, 432,902.02 and 170,455.28
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Solution
The fourth proportional to 313,695.24, 432,902.02 and 170,455.28 is: 235,229.70
Step by Step Solution
- Step 1: Write the proportion equation
313,695.24 : 432,902.02 = 170,455.28 : x - Step 2: Convert to fraction form
313,695.24/432,902.02 = 170,455.28/x - Step 3: Cross multiply
313,695.24x = 432,902.02 × 170,455.28 - Step 4: Simplify right side
313,695.24x = 73,790,435,109.45 - Step 5: Solve for x
x = 73,790,435,109.45/313,695.24 - Step 6: Final answer
x = 235,229.70
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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.