Finding the Fourth Proportional to 292,844.05, 438,764.76 and 159,817.75
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Solution
The fourth proportional to 292,844.05, 438,764.76 and 159,817.75 is: 239,453.03
Step by Step Solution
- Step 1: Write the proportion equation
292,844.05 : 438,764.76 = 159,817.75 : x - Step 2: Convert to fraction form
292,844.05/438,764.76 = 159,817.75/x - Step 3: Cross multiply
292,844.05x = 438,764.76 × 159,817.75 - Step 4: Simplify right side
292,844.05x = 70,122,395,625.58 - Step 5: Solve for x
x = 70,122,395,625.58/292,844.05 - Step 6: Final answer
x = 239,453.03
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.