Finding the Fourth Proportional to 191,968.08, 264,867.37 and 115,462.56
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Solution
The fourth proportional to 191,968.08, 264,867.37 and 115,462.56 is: 159,309.12
Step by Step Solution
- Step 1: Write the proportion equation
191,968.08 : 264,867.37 = 115,462.56 : x - Step 2: Convert to fraction form
191,968.08/264,867.37 = 115,462.56/x - Step 3: Cross multiply
191,968.08x = 264,867.37 × 115,462.56 - Step 4: Simplify right side
191,968.08x = 30,582,265,305.26 - Step 5: Solve for x
x = 30,582,265,305.26/191,968.08 - Step 6: Final answer
x = 159,309.12
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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.