Finding the Fourth Proportional to 203,236.08, 280,461.99 and 122,667.00
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Solution
The fourth proportional to 203,236.08, 280,461.99 and 122,667.00 is: 169,278.16
Step by Step Solution
- Step 1: Write the proportion equation
203,236.08 : 280,461.99 = 122,667.00 : x - Step 2: Convert to fraction form
203,236.08/280,461.99 = 122,667.00/x - Step 3: Cross multiply
203,236.08x = 280,461.99 × 122,667.00 - Step 4: Simplify right side
203,236.08x = 34,403,429,525.02 - Step 5: Solve for x
x = 34,403,429,525.02/203,236.08 - Step 6: Final answer
x = 169,278.16
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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.