Finding the Fourth Proportional to 211,867.69, 292,306.14 and 119,974.41
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Solution
The fourth proportional to 211,867.69, 292,306.14 and 119,974.41 is: 165,524.32
Step by Step Solution
- Step 1: Write the proportion equation
211,867.69 : 292,306.14 = 119,974.41 : x - Step 2: Convert to fraction form
211,867.69/292,306.14 = 119,974.41/x - Step 3: Cross multiply
211,867.69x = 292,306.14 × 119,974.41 - Step 4: Simplify right side
211,867.69x = 35,069,255,589.73 - Step 5: Solve for x
x = 35,069,255,589.73/211,867.69 - Step 6: Final answer
x = 165,524.32
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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.