Finding the Fourth Proportional to 257,134.01, 354,845.95 and 149,777.82
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Solution
The fourth proportional to 257,134.01, 354,845.95 and 149,777.82 is: 206,693.99
Step by Step Solution
- Step 1: Write the proportion equation
257,134.01 : 354,845.95 = 149,777.82 : x - Step 2: Convert to fraction form
257,134.01/354,845.95 = 149,777.82/x - Step 3: Cross multiply
257,134.01x = 354,845.95 × 149,777.82 - Step 4: Simplify right side
257,134.01x = 53,148,052,452.38 - Step 5: Solve for x
x = 53,148,052,452.38/257,134.01 - Step 6: Final answer
x = 206,693.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.