Finding the Fourth Proportional to 930,684.99, 1,396,107.90 and 256,766.30
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Solution
The fourth proportional to 930,684.99, 1,396,107.90 and 256,766.30 is: 385,171.63
Step by Step Solution
- Step 1: Write the proportion equation
930,684.99 : 1,396,107.90 = 256,766.30 : x - Step 2: Convert to fraction form
930,684.99/1,396,107.90 = 256,766.30/x - Step 3: Cross multiply
930,684.99x = 1,396,107.90 × 256,766.30 - Step 4: Simplify right side
930,684.99x = 358,473,452,903.23 - Step 5: Solve for x
x = 358,473,452,903.23/930,684.99 - Step 6: Final answer
x = 385,171.63
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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.