Finding the Fourth Proportional to 410,617.34, 615,927.44 and 126,305.96
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Solution
The fourth proportional to 410,617.34, 615,927.44 and 126,305.96 is: 189,459.38
Step by Step Solution
- Step 1: Write the proportion equation
410,617.34 : 615,927.44 = 126,305.96 : x - Step 2: Convert to fraction form
410,617.34/615,927.44 = 126,305.96/x - Step 3: Cross multiply
410,617.34x = 615,927.44 × 126,305.96 - Step 4: Simplify right side
410,617.34x = 77,795,305,968.01 - Step 5: Solve for x
x = 77,795,305,968.01/410,617.34 - Step 6: Final answer
x = 189,459.38
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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.