Finding the Fourth Proportional to 442,189.92, 663,121.68 and 157,804.38
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Solution
The fourth proportional to 442,189.92, 663,121.68 and 157,804.38 is: 236,648.33
Step by Step Solution
- Step 1: Write the proportion equation
442,189.92 : 663,121.68 = 157,804.38 : x - Step 2: Convert to fraction form
442,189.92/663,121.68 = 157,804.38/x - Step 3: Cross multiply
442,189.92x = 663,121.68 × 157,804.38 - Step 4: Simplify right side
442,189.92x = 104,643,505,576.96 - Step 5: Solve for x
x = 104,643,505,576.96/442,189.92 - Step 6: Final answer
x = 236,648.33
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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.