Finding the Fourth Proportional to 213,437.70, 294,566.85 and 122,797.62
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Solution
The fourth proportional to 213,437.70, 294,566.85 and 122,797.62 is: 169,473.85
Step by Step Solution
- Step 1: Write the proportion equation
213,437.70 : 294,566.85 = 122,797.62 : x - Step 2: Convert to fraction form
213,437.70/294,566.85 = 122,797.62/x - Step 3: Cross multiply
213,437.70x = 294,566.85 × 122,797.62 - Step 4: Simplify right side
213,437.70x = 36,172,108,110.90 - Step 5: Solve for x
x = 36,172,108,110.90/213,437.70 - Step 6: Final answer
x = 169,473.85
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1.5x scale
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.