Finding the Fourth Proportional to 292,431.60, 438,581.79 and 134,508.33
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Solution
The fourth proportional to 292,431.60, 438,581.79 and 134,508.33 is: 201,732.32
Step by Step Solution
- Step 1: Write the proportion equation
292,431.60 : 438,581.79 = 134,508.33 : x - Step 2: Convert to fraction form
292,431.60/438,581.79 = 134,508.33/x - Step 3: Cross multiply
292,431.60x = 438,581.79 × 134,508.33 - Step 4: Simplify right side
292,431.60x = 58,992,904,141.31 - Step 5: Solve for x
x = 58,992,904,141.31/292,431.60 - Step 6: Final answer
x = 201,732.32
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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.