Finding the Fourth Proportional to 513,431.24, 770,198.28 and 176,427.44
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Solution
The fourth proportional to 513,431.24, 770,198.28 and 176,427.44 is: 264,658.83
Step by Step Solution
- Step 1: Write the proportion equation
513,431.24 : 770,198.28 = 176,427.44 : x - Step 2: Convert to fraction form
513,431.24/770,198.28 = 176,427.44/x - Step 3: Cross multiply
513,431.24x = 770,198.28 × 176,427.44 - Step 4: Simplify right side
513,431.24x = 135,884,110,832.80 - Step 5: Solve for x
x = 135,884,110,832.80/513,431.24 - Step 6: Final answer
x = 264,658.83
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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.