Finding the Fourth Proportional to 232,783.36, 321,164.40 and 135,964.96
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Solution
The fourth proportional to 232,783.36, 321,164.40 and 135,964.96 is: 187,586.88
Step by Step Solution
- Step 1: Write the proportion equation
232,783.36 : 321,164.40 = 135,964.96 : x - Step 2: Convert to fraction form
232,783.36/321,164.40 = 135,964.96/x - Step 3: Cross multiply
232,783.36x = 321,164.40 × 135,964.96 - Step 4: Simplify right side
232,783.36x = 43,667,104,799.42 - Step 5: Solve for x
x = 43,667,104,799.42/232,783.36 - Step 6: Final answer
x = 187,586.88
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1.5x scale
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.