Finding the Fourth Proportional to 185,634.16, 278,592.28 and 135,842.74
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Solution
The fourth proportional to 185,634.16, 278,592.28 and 135,842.74 is: 203,867.32
Step by Step Solution
- Step 1: Write the proportion equation
185,634.16 : 278,592.28 = 135,842.74 : x - Step 2: Convert to fraction form
185,634.16/278,592.28 = 135,842.74/x - Step 3: Cross multiply
185,634.16x = 278,592.28 × 135,842.74 - Step 4: Simplify right side
185,634.16x = 37,844,738,658.05 - Step 5: Solve for x
x = 37,844,738,658.05/185,634.16 - Step 6: Final answer
x = 203,867.32
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1.5x scale
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.