Finding the Fourth Proportional to 202,823.30, 304,234.95 and 84,455.30
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Solution
The fourth proportional to 202,823.30, 304,234.95 and 84,455.30 is: 126,682.95
Step by Step Solution
- Step 1: Write the proportion equation
202,823.30 : 304,234.95 = 84,455.30 : x - Step 2: Convert to fraction form
202,823.30/304,234.95 = 84,455.30/x - Step 3: Cross multiply
202,823.30x = 304,234.95 × 84,455.30 - Step 4: Simplify right side
202,823.30x = 25,694,253,972.74 - Step 5: Solve for x
x = 25,694,253,972.74/202,823.30 - Step 6: Final answer
x = 126,682.95
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1.5x scale
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.