Finding the Fourth Proportional to 311,572.24, 467,358.36 and 74,914.92
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Solution
The fourth proportional to 311,572.24, 467,358.36 and 74,914.92 is: 112,372.38
Step by Step Solution
- Step 1: Write the proportion equation
311,572.24 : 467,358.36 = 74,914.92 : x - Step 2: Convert to fraction form
311,572.24/467,358.36 = 74,914.92/x - Step 3: Cross multiply
311,572.24x = 467,358.36 × 74,914.92 - Step 4: Simplify right side
311,572.24x = 35,012,114,150.73 - Step 5: Solve for x
x = 35,012,114,150.73/311,572.24 - Step 6: Final answer
x = 112,372.38
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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.