Finding the Fourth Proportional to 292,452.64, 438,678.91 and 159,444.75
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Solution
The fourth proportional to 292,452.64, 438,678.91 and 159,444.75 is: 239,167.10
Step by Step Solution
- Step 1: Write the proportion equation
292,452.64 : 438,678.91 = 159,444.75 : x - Step 2: Convert to fraction form
292,452.64/438,678.91 = 159,444.75/x - Step 3: Cross multiply
292,452.64x = 438,678.91 × 159,444.75 - Step 4: Simplify right side
292,452.64x = 69,945,049,135.22 - Step 5: Solve for x
x = 69,945,049,135.22/292,452.64 - Step 6: Final answer
x = 239,167.10
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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.