Finding the Fourth Proportional to 857,866.14, 1,286,807.85 and 258,832.26
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Solution
The fourth proportional to 857,866.14, 1,286,807.85 and 258,832.26 is: 388,251.00
Step by Step Solution
- Step 1: Write the proportion equation
857,866.14 : 1,286,807.85 = 258,832.26 : x - Step 2: Convert to fraction form
857,866.14/1,286,807.85 = 258,832.26/x - Step 3: Cross multiply
857,866.14x = 1,286,807.85 × 258,832.26 - Step 4: Simplify right side
857,866.14x = 333,067,384,001.24 - Step 5: Solve for x
x = 333,067,384,001.24/857,866.14 - Step 6: Final answer
x = 388,251.00
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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.