Finding the Fourth Proportional to 265,787.06, 398,682.14 and 66,107.48
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Solution
The fourth proportional to 265,787.06, 398,682.14 and 66,107.48 is: 99,161.60
Step by Step Solution
- Step 1: Write the proportion equation
265,787.06 : 398,682.14 = 66,107.48 : x - Step 2: Convert to fraction form
265,787.06/398,682.14 = 66,107.48/x - Step 3: Cross multiply
265,787.06x = 398,682.14 × 66,107.48 - Step 4: Simplify right side
265,787.06x = 26,355,869,272.46 - Step 5: Solve for x
x = 26,355,869,272.46/265,787.06 - Step 6: Final answer
x = 99,161.60
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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.