Finding the Fourth Proportional to 408,658.87, 612,982.14 and 183,860.56
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Solution
The fourth proportional to 408,658.87, 612,982.14 and 183,860.56 is: 275,788.07
Step by Step Solution
- Step 1: Write the proportion equation
408,658.87 : 612,982.14 = 183,860.56 : x - Step 2: Convert to fraction form
408,658.87/612,982.14 = 183,860.56/x - Step 3: Cross multiply
408,658.87x = 612,982.14 × 183,860.56 - Step 4: Simplify right side
408,658.87x = 112,703,239,530.40 - Step 5: Solve for x
x = 112,703,239,530.40/408,658.87 - Step 6: Final answer
x = 275,788.07
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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.