Finding the Fourth Proportional to 298,972.46, 412,583.87 and 163,008.67
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Solution
The fourth proportional to 298,972.46, 412,583.87 and 163,008.67 is: 224,952.99
Step by Step Solution
- Step 1: Write the proportion equation
298,972.46 : 412,583.87 = 163,008.67 : x - Step 2: Convert to fraction form
298,972.46/412,583.87 = 163,008.67/x - Step 3: Cross multiply
298,972.46x = 412,583.87 × 163,008.67 - Step 4: Simplify right side
298,972.46x = 67,254,747,912.15 - Step 5: Solve for x
x = 67,254,747,912.15/298,972.46 - Step 6: Final answer
x = 224,952.99
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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.