Finding the Fourth Proportional to 239,343.34, 330,278.94 and 131,907.40
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Solution
The fourth proportional to 239,343.34, 330,278.94 and 131,907.40 is: 182,024.02
Step by Step Solution
- Step 1: Write the proportion equation
239,343.34 : 330,278.94 = 131,907.40 : x - Step 2: Convert to fraction form
239,343.34/330,278.94 = 131,907.40/x - Step 3: Cross multiply
239,343.34x = 330,278.94 × 131,907.40 - Step 4: Simplify right side
239,343.34x = 43,566,236,250.16 - Step 5: Solve for x
x = 43,566,236,250.16/239,343.34 - Step 6: Final answer
x = 182,024.02
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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.