Finding the Fourth Proportional to 292,355.31, 438,587.62 and 92,622.07
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Solution
The fourth proportional to 292,355.31, 438,587.62 and 92,622.07 is: 138,950.42
Step by Step Solution
- Step 1: Write the proportion equation
292,355.31 : 438,587.62 = 92,622.07 : x - Step 2: Convert to fraction form
292,355.31/438,587.62 = 92,622.07/x - Step 3: Cross multiply
292,355.31x = 438,587.62 × 92,622.07 - Step 4: Simplify right side
292,355.31x = 40,622,891,912.75 - Step 5: Solve for x
x = 40,622,891,912.75/292,355.31 - Step 6: Final answer
x = 138,950.42
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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.