Finding the Fourth Proportional to 265,914.32, 398,754.60 and 99,585.68
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Solution
The fourth proportional to 265,914.32, 398,754.60 and 99,585.68 is: 149,334.75
Step by Step Solution
- Step 1: Write the proportion equation
265,914.32 : 398,754.60 = 99,585.68 : x - Step 2: Convert to fraction form
265,914.32/398,754.60 = 99,585.68/x - Step 3: Cross multiply
265,914.32x = 398,754.60 × 99,585.68 - Step 4: Simplify right side
265,914.32x = 39,710,247,994.13 - Step 5: Solve for x
x = 39,710,247,994.13/265,914.32 - Step 6: Final answer
x = 149,334.75
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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.