Finding the Fourth Proportional to 313,669.08, 432,867.96 and 170,431.92
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Solution
The fourth proportional to 313,669.08, 432,867.96 and 170,431.92 is: 235,198.57
Step by Step Solution
- Step 1: Write the proportion equation
313,669.08 : 432,867.96 = 170,431.92 : x - Step 2: Convert to fraction form
313,669.08/432,867.96 = 170,431.92/x - Step 3: Cross multiply
313,669.08x = 432,867.96 × 170,431.92 - Step 4: Simplify right side
313,669.08x = 73,774,517,529.28 - Step 5: Solve for x
x = 73,774,517,529.28/313,669.08 - Step 6: Final answer
x = 235,198.57
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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.