Finding the Fourth Proportional to 292,450.64, 438,675.91 and 159,442.75
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Solution
The fourth proportional to 292,450.64, 438,675.91 and 159,442.75 is: 239,164.10
Step by Step Solution
- Step 1: Write the proportion equation
292,450.64 : 438,675.91 = 159,442.75 : x - Step 2: Convert to fraction form
292,450.64/438,675.91 = 159,442.75/x - Step 3: Cross multiply
292,450.64x = 438,675.91 × 159,442.75 - Step 4: Simplify right side
292,450.64x = 69,943,693,449.15 - Step 5: Solve for x
x = 69,943,693,449.15/292,450.64 - Step 6: Final answer
x = 239,164.10
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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.