Finding the Fourth Proportional to 212,594.88, 293,206.41 and 155,169.66
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Solution
The fourth proportional to 212,594.88, 293,206.41 and 155,169.66 is: 214,006.75
Step by Step Solution
- Step 1: Write the proportion equation
212,594.88 : 293,206.41 = 155,169.66 : x - Step 2: Convert to fraction form
212,594.88/293,206.41 = 155,169.66/x - Step 3: Cross multiply
212,594.88x = 293,206.41 × 155,169.66 - Step 4: Simplify right side
212,594.88x = 45,496,738,949.52 - Step 5: Solve for x
x = 45,496,738,949.52/212,594.88 - Step 6: Final answer
x = 214,006.75
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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.