Finding the Fourth Proportional to 235,849.07, 325,467.50 and 128,417.15
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Solution
The fourth proportional to 235,849.07, 325,467.50 and 128,417.15 is: 177,213.37
Step by Step Solution
- Step 1: Write the proportion equation
235,849.07 : 325,467.50 = 128,417.15 : x - Step 2: Convert to fraction form
235,849.07/325,467.50 = 128,417.15/x - Step 3: Cross multiply
235,849.07x = 325,467.50 × 128,417.15 - Step 4: Simplify right side
235,849.07x = 41,795,606,498.20 - Step 5: Solve for x
x = 41,795,606,498.20/235,849.07 - Step 6: Final answer
x = 177,213.37
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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.