Finding the Fourth Proportional to 254,404.60, 351,141.99 and 147,042.03
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Solution
The fourth proportional to 254,404.60, 351,141.99 and 147,042.03 is: 202,954.79
Step by Step Solution
- Step 1: Write the proportion equation
254,404.60 : 351,141.99 = 147,042.03 : x - Step 2: Convert to fraction form
254,404.60/351,141.99 = 147,042.03/x - Step 3: Cross multiply
254,404.60x = 351,141.99 × 147,042.03 - Step 4: Simplify right side
254,404.60x = 51,632,631,793.21 - Step 5: Solve for x
x = 51,632,631,793.21/254,404.60 - Step 6: Final answer
x = 202,954.79
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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.