Finding the Fourth Proportional to 509,757.97, 764,587.51 and 154,775.06
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Solution
The fourth proportional to 509,757.97, 764,587.51 and 154,775.06 is: 232,147.58
Step by Step Solution
- Step 1: Write the proportion equation
509,757.97 : 764,587.51 = 154,775.06 : x - Step 2: Convert to fraction form
509,757.97/764,587.51 = 154,775.06/x - Step 3: Cross multiply
509,757.97x = 764,587.51 × 154,775.06 - Step 4: Simplify right side
509,757.97x = 118,339,079,260.03 - Step 5: Solve for x
x = 118,339,079,260.03/509,757.97 - Step 6: Final answer
x = 232,147.58
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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.