Finding the Fourth Proportional to 292,419.36, 403,540.04 and 158,283.36
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Solution
The fourth proportional to 292,419.36, 403,540.04 and 158,283.36 is: 218,431.75
Step by Step Solution
- Step 1: Write the proportion equation
292,419.36 : 403,540.04 = 158,283.36 : x - Step 2: Convert to fraction form
292,419.36/403,540.04 = 158,283.36/x - Step 3: Cross multiply
292,419.36x = 403,540.04 × 158,283.36 - Step 4: Simplify right side
292,419.36x = 63,873,673,425.73 - Step 5: Solve for x
x = 63,873,673,425.73/292,419.36 - Step 6: Final answer
x = 218,431.75
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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.