Finding the Fourth Proportional to 366,029.21, 504,918.36 and 257,300.69
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Solution
The fourth proportional to 366,029.21, 504,918.36 and 257,300.69 is: 354,932.99
Step by Step Solution
- Step 1: Write the proportion equation
366,029.21 : 504,918.36 = 257,300.69 : x - Step 2: Convert to fraction form
366,029.21/504,918.36 = 257,300.69/x - Step 3: Cross multiply
366,029.21x = 504,918.36 × 257,300.69 - Step 4: Simplify right side
366,029.21x = 129,915,842,421.67 - Step 5: Solve for x
x = 129,915,842,421.67/366,029.21 - Step 6: Final answer
x = 354,932.99
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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.