Finding the Fourth Proportional to 257,027.12, 354,655.11 and 161,466.14
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Solution
The fourth proportional to 257,027.12, 354,655.11 and 161,466.14 is: 222,796.69
Step by Step Solution
- Step 1: Write the proportion equation
257,027.12 : 354,655.11 = 161,466.14 : x - Step 2: Convert to fraction form
257,027.12/354,655.11 = 161,466.14/x - Step 3: Cross multiply
257,027.12x = 354,655.11 × 161,466.14 - Step 4: Simplify right side
257,027.12x = 57,264,791,642.98 - Step 5: Solve for x
x = 57,264,791,642.98/257,027.12 - Step 6: Final answer
x = 222,796.69
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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.