Finding the Fourth Proportional to 254,432.56, 381,605.64 and 67,462.96
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Solution
The fourth proportional to 254,432.56, 381,605.64 and 67,462.96 is: 101,182.99
Step by Step Solution
- Step 1: Write the proportion equation
254,432.56 : 381,605.64 = 67,462.96 : x - Step 2: Convert to fraction form
254,432.56/381,605.64 = 67,462.96/x - Step 3: Cross multiply
254,432.56x = 381,605.64 × 67,462.96 - Step 4: Simplify right side
254,432.56x = 25,744,246,027.09 - Step 5: Solve for x
x = 25,744,246,027.09/254,432.56 - Step 6: Final answer
x = 101,182.99
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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.