Finding the Fourth Proportional to 285,239.76, 427,842.36 and 74,873.04
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Solution
The fourth proportional to 285,239.76, 427,842.36 and 74,873.04 is: 112,305.02
Step by Step Solution
- Step 1: Write the proportion equation
285,239.76 : 427,842.36 = 74,873.04 : x - Step 2: Convert to fraction form
285,239.76/427,842.36 = 74,873.04/x - Step 3: Cross multiply
285,239.76x = 427,842.36 × 74,873.04 - Step 4: Simplify right side
285,239.76x = 32,033,858,133.97 - Step 5: Solve for x
x = 32,033,858,133.97/285,239.76 - Step 6: Final answer
x = 112,305.02
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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.