Finding the Fourth Proportional to 819,133.05, 1,229,252.90 and 286,658.70
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Solution
The fourth proportional to 819,133.05, 1,229,252.90 and 286,658.70 is: 430,181.69
Step by Step Solution
- Step 1: Write the proportion equation
819,133.05 : 1,229,252.90 = 286,658.70 : x - Step 2: Convert to fraction form
819,133.05/1,229,252.90 = 286,658.70/x - Step 3: Cross multiply
819,133.05x = 1,229,252.90 × 286,658.70 - Step 4: Simplify right side
819,133.05x = 352,376,038,285.23 - Step 5: Solve for x
x = 352,376,038,285.23/819,133.05 - Step 6: Final answer
x = 430,181.69
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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.