Finding the Fourth Proportional to 292,285.64, 438,441.21 and 92,620.75
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Solution
The fourth proportional to 292,285.64, 438,441.21 and 92,620.75 is: 138,935.17
Step by Step Solution
- Step 1: Write the proportion equation
292,285.64 : 438,441.21 = 92,620.75 : x - Step 2: Convert to fraction form
292,285.64/438,441.21 = 92,620.75/x - Step 3: Cross multiply
292,285.64x = 438,441.21 × 92,620.75 - Step 4: Simplify right side
292,285.64x = 40,608,753,701.11 - Step 5: Solve for x
x = 40,608,753,701.11/292,285.64 - Step 6: Final answer
x = 138,935.17
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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.