Finding the Fourth Proportional to 239,625.14, 330,683.81 and 132,195.13
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Solution
The fourth proportional to 239,625.14, 330,683.81 and 132,195.13 is: 182,429.89
Step by Step Solution
- Step 1: Write the proportion equation
239,625.14 : 330,683.81 = 132,195.13 : x - Step 2: Convert to fraction form
239,625.14/330,683.81 = 132,195.13/x - Step 3: Cross multiply
239,625.14x = 330,683.81 × 132,195.13 - Step 4: Simplify right side
239,625.14x = 43,714,787,764.16 - Step 5: Solve for x
x = 43,714,787,764.16/239,625.14 - Step 6: Final answer
x = 182,429.89
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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.