Finding the Fourth Proportional to 239,828.98, 330,966.68 and 132,399.08
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Solution
The fourth proportional to 239,828.98, 330,966.68 and 132,399.08 is: 182,712.21
Step by Step Solution
- Step 1: Write the proportion equation
239,828.98 : 330,966.68 = 132,399.08 : x - Step 2: Convert to fraction form
239,828.98/330,966.68 = 132,399.08/x - Step 3: Cross multiply
239,828.98x = 330,966.68 × 132,399.08 - Step 4: Simplify right side
239,828.98x = 43,819,683,942.65 - Step 5: Solve for x
x = 43,819,683,942.65/239,828.98 - Step 6: Final answer
x = 182,712.21
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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.