Finding the Fourth Proportional to 341,562.20, 512,489.10 and 163,977.80
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Solution
The fourth proportional to 341,562.20, 512,489.10 and 163,977.80 is: 246,036.70
Step by Step Solution
- Step 1: Write the proportion equation
341,562.20 : 512,489.10 = 163,977.80 : x - Step 2: Convert to fraction form
341,562.20/512,489.10 = 163,977.80/x - Step 3: Cross multiply
341,562.20x = 512,489.10 × 163,977.80 - Step 4: Simplify right side
341,562.20x = 84,036,835,141.98 - Step 5: Solve for x
x = 84,036,835,141.98/341,562.20 - Step 6: Final answer
x = 246,036.70
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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.