Finding the Fourth Proportional to 345,805.07, 477,212.99 and 192,852.90
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Solution
The fourth proportional to 345,805.07, 477,212.99 and 192,852.90 is: 266,138.11
Step by Step Solution
- Step 1: Write the proportion equation
345,805.07 : 477,212.99 = 192,852.90 : x - Step 2: Convert to fraction form
345,805.07/477,212.99 = 192,852.90/x - Step 3: Cross multiply
345,805.07x = 477,212.99 × 192,852.90 - Step 4: Simplify right side
345,805.07x = 92,031,908,074.91 - Step 5: Solve for x
x = 92,031,908,074.91/345,805.07 - Step 6: Final answer
x = 266,138.11
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.