Finding the Fourth Proportional to 441,828.99, 662,338.55 and 172,139.09
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Solution
The fourth proportional to 441,828.99, 662,338.55 and 172,139.09 is: 258,050.87
Step by Step Solution
- Step 1: Write the proportion equation
441,828.99 : 662,338.55 = 172,139.09 : x - Step 2: Convert to fraction form
441,828.99/662,338.55 = 172,139.09/x - Step 3: Cross multiply
441,828.99x = 662,338.55 × 172,139.09 - Step 4: Simplify right side
441,828.99x = 114,014,355,268.92 - Step 5: Solve for x
x = 114,014,355,268.92/441,828.99 - Step 6: Final answer
x = 258,050.87
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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.