Finding the Fourth Proportional to 213,149.88, 294,156.36 and 122,535.18
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Solution
The fourth proportional to 213,149.88, 294,156.36 and 122,535.18 is: 169,104.02
Step by Step Solution
- Step 1: Write the proportion equation
213,149.88 : 294,156.36 = 122,535.18 : x - Step 2: Convert to fraction form
213,149.88/294,156.36 = 122,535.18/x - Step 3: Cross multiply
213,149.88x = 294,156.36 × 122,535.18 - Step 4: Simplify right side
213,149.88x = 36,044,502,520.74 - Step 5: Solve for x
x = 36,044,502,520.74/213,149.88 - Step 6: Final answer
x = 169,104.02
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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.