Finding the Fourth Proportional to 140,765.76, 211,159.68 and 40,927.44
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Solution
The fourth proportional to 140,765.76, 211,159.68 and 40,927.44 is: 61,394.37
Step by Step Solution
- Step 1: Write the proportion equation
140,765.76 : 211,159.68 = 40,927.44 : x - Step 2: Convert to fraction form
140,765.76/211,159.68 = 40,927.44/x - Step 3: Cross multiply
140,765.76x = 211,159.68 × 40,927.44 - Step 4: Simplify right side
140,765.76x = 8,642,225,133.62 - Step 5: Solve for x
x = 8,642,225,133.62/140,765.76 - Step 6: Final answer
x = 61,394.37
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.