Finding the Fourth Proportional to 311,238.01, 466,974.68 and 121,833.74
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Solution
The fourth proportional to 311,238.01, 466,974.68 and 121,833.74 is: 182,796.67
Step by Step Solution
- Step 1: Write the proportion equation
311,238.01 : 466,974.68 = 121,833.74 : x - Step 2: Convert to fraction form
311,238.01/466,974.68 = 121,833.74/x - Step 3: Cross multiply
311,238.01x = 466,974.68 × 121,833.74 - Step 4: Simplify right side
311,238.01x = 56,893,271,140.53 - Step 5: Solve for x
x = 56,893,271,140.53/311,238.01 - Step 6: Final answer
x = 182,796.67
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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.