Finding the Fourth Proportional to 259,414.22, 357,986.84 and 146,237.06
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Solution
The fourth proportional to 259,414.22, 357,986.84 and 146,237.06 is: 201,804.45
Step by Step Solution
- Step 1: Write the proportion equation
259,414.22 : 357,986.84 = 146,237.06 : x - Step 2: Convert to fraction form
259,414.22/357,986.84 = 146,237.06/x - Step 3: Cross multiply
259,414.22x = 357,986.84 × 146,237.06 - Step 4: Simplify right side
259,414.22x = 52,350,943,000.29 - Step 5: Solve for x
x = 52,350,943,000.29/259,414.22 - Step 6: Final answer
x = 201,804.45
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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.