Finding the Fourth Proportional to 254,693.10, 351,455.89 and 147,270.09
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Solution
The fourth proportional to 254,693.10, 351,455.89 and 147,270.09 is: 203,220.82
Step by Step Solution
- Step 1: Write the proportion equation
254,693.10 : 351,455.89 = 147,270.09 : x - Step 2: Convert to fraction form
254,693.10/351,455.89 = 147,270.09/x - Step 3: Cross multiply
254,693.10x = 351,455.89 × 147,270.09 - Step 4: Simplify right side
254,693.10x = 51,758,940,551.33 - Step 5: Solve for x
x = 51,758,940,551.33/254,693.10 - Step 6: Final answer
x = 203,220.82
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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.