Finding the Fourth Proportional to 294,907.80, 442,361.70 and 73,291.80
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Solution
The fourth proportional to 294,907.80, 442,361.70 and 73,291.80 is: 109,937.70
Step by Step Solution
- Step 1: Write the proportion equation
294,907.80 : 442,361.70 = 73,291.80 : x - Step 2: Convert to fraction form
294,907.80/442,361.70 = 73,291.80/x - Step 3: Cross multiply
294,907.80x = 442,361.70 × 73,291.80 - Step 4: Simplify right side
294,907.80x = 32,421,485,244.06 - Step 5: Solve for x
x = 32,421,485,244.06/294,907.80 - Step 6: Final answer
x = 109,937.70
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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.