Finding the Fourth Proportional to 768,139.20, 1,150,135.20 and 602,251.20
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Solution
The fourth proportional to 768,139.20, 1,150,135.20 and 602,251.20 is: 901,751.02
Step by Step Solution
- Step 1: Write the proportion equation
768,139.20 : 1,150,135.20 = 602,251.20 : x - Step 2: Convert to fraction form
768,139.20/1,150,135.20 = 602,251.20/x - Step 3: Cross multiply
768,139.20x = 1,150,135.20 × 602,251.20 - Step 4: Simplify right side
768,139.20x = 692,670,304,362.24 - Step 5: Solve for x
x = 692,670,304,362.24/768,139.20 - Step 6: Final answer
x = 901,751.02
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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.