Finding the Fourth Proportional to 255,642.24, 352,778.22 and 160,201.56
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Solution
The fourth proportional to 255,642.24, 352,778.22 and 160,201.56 is: 221,073.09
Step by Step Solution
- Step 1: Write the proportion equation
255,642.24 : 352,778.22 = 160,201.56 : x - Step 2: Convert to fraction form
255,642.24/352,778.22 = 160,201.56/x - Step 3: Cross multiply
255,642.24x = 352,778.22 × 160,201.56 - Step 4: Simplify right side
255,642.24x = 56,515,621,178.02 - Step 5: Solve for x
x = 56,515,621,178.02/255,642.24 - Step 6: Final answer
x = 221,073.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.