Finding the Fourth Proportional to 239,139.62, 330,027.66 and 131,709.63
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Solution
The fourth proportional to 239,139.62, 330,027.66 and 131,709.63 is: 181,767.53
Step by Step Solution
- Step 1: Write the proportion equation
239,139.62 : 330,027.66 = 131,709.63 : x - Step 2: Convert to fraction form
239,139.62/330,027.66 = 131,709.63/x - Step 3: Cross multiply
239,139.62x = 330,027.66 × 131,709.63 - Step 4: Simplify right side
239,139.62x = 43,467,818,679.68 - Step 5: Solve for x
x = 43,467,818,679.68/239,139.62 - Step 6: Final answer
x = 181,767.53
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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.