Finding the Fourth Proportional to 154,271.70, 231,796.35 and 98,138.70
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Solution
The fourth proportional to 154,271.70, 231,796.35 and 98,138.70 is: 147,455.38
Step by Step Solution
- Step 1: Write the proportion equation
154,271.70 : 231,796.35 = 98,138.70 : x - Step 2: Convert to fraction form
154,271.70/231,796.35 = 98,138.70/x - Step 3: Cross multiply
154,271.70x = 231,796.35 × 98,138.70 - Step 4: Simplify right side
154,271.70x = 22,748,192,453.75 - Step 5: Solve for x
x = 22,748,192,453.75/154,271.70 - Step 6: Final answer
x = 147,455.38
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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.