Finding the Fourth Proportional to 823,178.75, 1,234,643.28 and 224,187.09
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Solution
The fourth proportional to 823,178.75, 1,234,643.28 and 224,187.09 is: 336,246.64
Step by Step Solution
- Step 1: Write the proportion equation
823,178.75 : 1,234,643.28 = 224,187.09 : x - Step 2: Convert to fraction form
823,178.75/1,234,643.28 = 224,187.09/x - Step 3: Cross multiply
823,178.75x = 1,234,643.28 × 224,187.09 - Step 4: Simplify right side
823,178.75x = 276,791,084,131.26 - Step 5: Solve for x
x = 276,791,084,131.26/823,178.75 - Step 6: Final answer
x = 336,246.64
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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.