Finding the Fourth Proportional to 238,237.20, 357,292.62 and 80,433
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Solution
The fourth proportional to 238,237.20, 357,292.62 and 80,433 is: 120,628.17
Step by Step Solution
- Step 1: Write the proportion equation
238,237.20 : 357,292.62 = 80,433 : x - Step 2: Convert to fraction form
238,237.20/357,292.62 = 80,433/x - Step 3: Cross multiply
238,237.20x = 357,292.62 × 80,433 - Step 4: Simplify right side
238,237.20x = 28,738,117,304.46 - Step 5: Solve for x
x = 28,738,117,304.46/238,237.20 - Step 6: Final answer
x = 120,628.17
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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.