Finding the Fourth Proportional to 282,346.44, 423,562.19 and 82,641.75
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Solution
The fourth proportional to 282,346.44, 423,562.19 and 82,641.75 is: 123,975.07
Step by Step Solution
- Step 1: Write the proportion equation
282,346.44 : 423,562.19 = 82,641.75 : x - Step 2: Convert to fraction form
282,346.44/423,562.19 = 82,641.75/x - Step 3: Cross multiply
282,346.44x = 423,562.19 × 82,641.75 - Step 4: Simplify right side
282,346.44x = 35,003,920,202.22 - Step 5: Solve for x
x = 35,003,920,202.22/282,346.44 - Step 6: Final answer
x = 123,975.07
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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.