Finding the Fourth Proportional to 239,822.81, 330,956.18 and 130,927.31
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Solution
The fourth proportional to 239,822.81, 330,956.18 and 130,927.31 is: 180,680.08
Step by Step Solution
- Step 1: Write the proportion equation
239,822.81 : 330,956.18 = 130,927.31 : x - Step 2: Convert to fraction form
239,822.81/330,956.18 = 130,927.31/x - Step 3: Cross multiply
239,822.81x = 330,956.18 × 130,927.31 - Step 4: Simplify right side
239,822.81x = 43,331,203,529.98 - Step 5: Solve for x
x = 43,331,203,529.98/239,822.81 - Step 6: Final answer
x = 180,680.08
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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.