Finding the Fourth Proportional to 265,529.16, 398,352.06 and 147,372.84
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Solution
The fourth proportional to 265,529.16, 398,352.06 and 147,372.84 is: 221,091.63
Step by Step Solution
- Step 1: Write the proportion equation
265,529.16 : 398,352.06 = 147,372.84 : x - Step 2: Convert to fraction form
265,529.16/398,352.06 = 147,372.84/x - Step 3: Cross multiply
265,529.16x = 398,352.06 × 147,372.84 - Step 4: Simplify right side
265,529.16x = 58,706,274,402.05 - Step 5: Solve for x
x = 58,706,274,402.05/265,529.16 - Step 6: Final answer
x = 221,091.63
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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.