Finding the Fourth Proportional to 292,064.74, 438,142.67 and 92,366.12
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Solution
The fourth proportional to 292,064.74, 438,142.67 and 92,366.12 is: 138,563.59
Step by Step Solution
- Step 1: Write the proportion equation
292,064.74 : 438,142.67 = 92,366.12 : x - Step 2: Convert to fraction form
292,064.74/438,142.67 = 92,366.12/x - Step 3: Cross multiply
292,064.74x = 438,142.67 × 92,366.12 - Step 4: Simplify right side
292,064.74x = 40,469,539,414.24 - Step 5: Solve for x
x = 40,469,539,414.24/292,064.74 - Step 6: Final answer
x = 138,563.59
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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.