Finding the Fourth Proportional to 311,291.40, 466,977.76 and 111,634.08
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Solution
The fourth proportional to 311,291.40, 466,977.76 and 111,634.08 is: 167,465.70
Step by Step Solution
- Step 1: Write the proportion equation
311,291.40 : 466,977.76 = 111,634.08 : x - Step 2: Convert to fraction form
311,291.40/466,977.76 = 111,634.08/x - Step 3: Cross multiply
311,291.40x = 466,977.76 × 111,634.08 - Step 4: Simplify right side
311,291.40x = 52,130,632,618.06 - Step 5: Solve for x
x = 52,130,632,618.06/311,291.40 - Step 6: Final answer
x = 167,465.70
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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.