Finding the Fourth Proportional to 322,115.13, 444,937.19 and 245,166.75
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Solution
The fourth proportional to 322,115.13, 444,937.19 and 245,166.75 is: 338,648.49
Step by Step Solution
- Step 1: Write the proportion equation
322,115.13 : 444,937.19 = 245,166.75 : x - Step 2: Convert to fraction form
322,115.13/444,937.19 = 245,166.75/x - Step 3: Cross multiply
322,115.13x = 444,937.19 × 245,166.75 - Step 4: Simplify right side
322,115.13x = 109,083,803,600.60 - Step 5: Solve for x
x = 109,083,803,600.60/322,115.13 - Step 6: Final answer
x = 338,648.49
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.