Finding the Fourth Proportional to 259,202.43, 357,706.94 and 151,762.41
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Solution
The fourth proportional to 259,202.43, 357,706.94 and 151,762.41 is: 209,436.56
Step by Step Solution
- Step 1: Write the proportion equation
259,202.43 : 357,706.94 = 151,762.41 : x - Step 2: Convert to fraction form
259,202.43/357,706.94 = 151,762.41/x - Step 3: Cross multiply
259,202.43x = 357,706.94 × 151,762.41 - Step 4: Simplify right side
259,202.43x = 54,286,466,529.31 - Step 5: Solve for x
x = 54,286,466,529.31/259,202.43 - Step 6: Final answer
x = 209,436.56
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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.