Finding the Fourth Proportional to 235,494.24, 324,983.60 and 128,065.44
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Solution
The fourth proportional to 235,494.24, 324,983.60 and 128,065.44 is: 176,731.15
Step by Step Solution
- Step 1: Write the proportion equation
235,494.24 : 324,983.60 = 128,065.44 : x - Step 2: Convert to fraction form
235,494.24/324,983.60 = 128,065.44/x - Step 3: Cross multiply
235,494.24x = 324,983.60 × 128,065.44 - Step 4: Simplify right side
235,494.24x = 41,619,167,726.78 - Step 5: Solve for x
x = 41,619,167,726.78/235,494.24 - Step 6: Final answer
x = 176,731.15
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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.