Finding the Fourth Proportional to 678,171.24, 1,017,266.58 and 204,860.70
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Solution
The fourth proportional to 678,171.24, 1,017,266.58 and 204,860.70 is: 307,293.99
Step by Step Solution
- Step 1: Write the proportion equation
678,171.24 : 1,017,266.58 = 204,860.70 : x - Step 2: Convert to fraction form
678,171.24/1,017,266.58 = 204,860.70/x - Step 3: Cross multiply
678,171.24x = 1,017,266.58 × 204,860.70 - Step 4: Simplify right side
678,171.24x = 208,397,943,665.41 - Step 5: Solve for x
x = 208,397,943,665.41/678,171.24 - Step 6: Final answer
x = 307,293.99
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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.