Finding the Fourth Proportional to 607,351.80, 911,027.70 and 213,367.80
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Solution
The fourth proportional to 607,351.80, 911,027.70 and 213,367.80 is: 320,051.70
Step by Step Solution
- Step 1: Write the proportion equation
607,351.80 : 911,027.70 = 213,367.80 : x - Step 2: Convert to fraction form
607,351.80/911,027.70 = 213,367.80/x - Step 3: Cross multiply
607,351.80x = 911,027.70 × 213,367.80 - Step 4: Simplify right side
607,351.80x = 194,383,976,088.06 - Step 5: Solve for x
x = 194,383,976,088.06/607,351.80 - Step 6: Final answer
x = 320,051.70
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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.