Finding the Fourth Proportional to 239,302.13, 330,232.70 and 130,407.44
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Solution
The fourth proportional to 239,302.13, 330,232.70 and 130,407.44 is: 179,959.96
Step by Step Solution
- Step 1: Write the proportion equation
239,302.13 : 330,232.70 = 130,407.44 : x - Step 2: Convert to fraction form
239,302.13/330,232.70 = 130,407.44/x - Step 3: Cross multiply
239,302.13x = 330,232.70 × 130,407.44 - Step 4: Simplify right side
239,302.13x = 43,064,802,289.10 - Step 5: Solve for x
x = 43,064,802,289.10/239,302.13 - Step 6: Final answer
x = 179,959.96
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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.