Finding the Fourth Proportional to 191,408.08, 286,409.88 and 159,739.92
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Solution
The fourth proportional to 191,408.08, 286,409.88 and 159,739.92 is: 239,023.82
Step by Step Solution
- Step 1: Write the proportion equation
191,408.08 : 286,409.88 = 159,739.92 : x - Step 2: Convert to fraction form
191,408.08/286,409.88 = 159,739.92/x - Step 3: Cross multiply
191,408.08x = 286,409.88 × 159,739.92 - Step 4: Simplify right side
191,408.08x = 45,751,091,318.41 - Step 5: Solve for x
x = 45,751,091,318.41/191,408.08 - Step 6: Final answer
x = 239,023.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.