Finding the Fourth Proportional to 312,069.99, 467,823.99 and 112,249.92
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Solution
The fourth proportional to 312,069.99, 467,823.99 and 112,249.92 is: 168,273.81
Step by Step Solution
- Step 1: Write the proportion equation
312,069.99 : 467,823.99 = 112,249.92 : x - Step 2: Convert to fraction form
312,069.99/467,823.99 = 112,249.92/x - Step 3: Cross multiply
312,069.99x = 467,823.99 × 112,249.92 - Step 4: Simplify right side
312,069.99x = 52,513,205,451.58 - Step 5: Solve for x
x = 52,513,205,451.58/312,069.99 - Step 6: Final answer
x = 168,273.81
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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.