Finding the Fourth Proportional to 211,246.20, 316,869.30 and 106,027.20
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Solution
The fourth proportional to 211,246.20, 316,869.30 and 106,027.20 is: 159,040.80
Step by Step Solution
- Step 1: Write the proportion equation
211,246.20 : 316,869.30 = 106,027.20 : x - Step 2: Convert to fraction form
211,246.20/316,869.30 = 106,027.20/x - Step 3: Cross multiply
211,246.20x = 316,869.30 × 106,027.20 - Step 4: Simplify right side
211,246.20x = 33,596,764,644.96 - Step 5: Solve for x
x = 33,596,764,644.96/211,246.20 - Step 6: Final answer
x = 159,040.80
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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.