Finding the Fourth Proportional to 239,386.23, 330,352.91 and 131,958.06
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Solution
The fourth proportional to 239,386.23, 330,352.91 and 131,958.06 is: 182,102.07
Step by Step Solution
- Step 1: Write the proportion equation
239,386.23 : 330,352.91 = 131,958.06 : x - Step 2: Convert to fraction form
239,386.23/330,352.91 = 131,958.06/x - Step 3: Cross multiply
239,386.23x = 330,352.91 × 131,958.06 - Step 4: Simplify right side
239,386.23x = 43,592,728,459.16 - Step 5: Solve for x
x = 43,592,728,459.16/239,386.23 - Step 6: Final answer
x = 182,102.07
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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.