Finding the Fourth Proportional to 215,801.21, 297,711.17 and 205,795.68
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Solution
The fourth proportional to 215,801.21, 297,711.17 and 205,795.68 is: 283,907.92
Step by Step Solution
- Step 1: Write the proportion equation
215,801.21 : 297,711.17 = 205,795.68 : x - Step 2: Convert to fraction form
215,801.21/297,711.17 = 205,795.68/x - Step 3: Cross multiply
215,801.21x = 297,711.17 × 205,795.68 - Step 4: Simplify right side
215,801.21x = 61,267,671,644.77 - Step 5: Solve for x
x = 61,267,671,644.77/215,801.21 - Step 6: Final answer
x = 283,907.92
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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.