Finding the Fourth Proportional to 185,998.28, 256,323.68 and 134,922.92
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Solution
The fourth proportional to 185,998.28, 256,323.68 and 134,922.92 is: 185,936.88
Step by Step Solution
- Step 1: Write the proportion equation
185,998.28 : 256,323.68 = 134,922.92 : x - Step 2: Convert to fraction form
185,998.28/256,323.68 = 134,922.92/x - Step 3: Cross multiply
185,998.28x = 256,323.68 × 134,922.92 - Step 4: Simplify right side
185,998.28x = 34,583,939,370.75 - Step 5: Solve for x
x = 34,583,939,370.75/185,998.28 - Step 6: Final answer
x = 185,936.88
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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.