Finding the Fourth Proportional to 690,838.20, 1,036,257.30 and 241,409.70
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Solution
The fourth proportional to 690,838.20, 1,036,257.30 and 241,409.70 is: 362,114.55
Step by Step Solution
- Step 1: Write the proportion equation
690,838.20 : 1,036,257.30 = 241,409.70 : x - Step 2: Convert to fraction form
690,838.20/1,036,257.30 = 241,409.70/x - Step 3: Cross multiply
690,838.20x = 1,036,257.30 × 241,409.70 - Step 4: Simplify right side
690,838.20x = 250,162,563,915.81 - Step 5: Solve for x
x = 250,162,563,915.81/690,838.20 - Step 6: Final answer
x = 362,114.55
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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.