Finding the Fourth Proportional to 239,840.11, 359,697.49 and 71,315.06
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Solution
The fourth proportional to 239,840.11, 359,697.49 and 71,315.06 is: 106,953.95
Step by Step Solution
- Step 1: Write the proportion equation
239,840.11 : 359,697.49 = 71,315.06 : x - Step 2: Convert to fraction form
239,840.11/359,697.49 = 71,315.06/x - Step 3: Cross multiply
239,840.11x = 359,697.49 × 71,315.06 - Step 4: Simplify right side
239,840.11x = 25,651,848,081.20 - Step 5: Solve for x
x = 25,651,848,081.20/239,840.11 - Step 6: Final answer
x = 106,953.95
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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.