Finding the Fourth Proportional to 239,419.76, 359,135.08 and 70,936.92
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Solution
The fourth proportional to 239,419.76, 359,135.08 and 70,936.92 is: 106,406.99
Step by Step Solution
- Step 1: Write the proportion equation
239,419.76 : 359,135.08 = 70,936.92 : x - Step 2: Convert to fraction form
239,419.76/359,135.08 = 70,936.92/x - Step 3: Cross multiply
239,419.76x = 359,135.08 × 70,936.92 - Step 4: Simplify right side
239,419.76x = 25,475,936,439.15 - Step 5: Solve for x
x = 25,475,936,439.15/239,419.76 - Step 6: Final answer
x = 106,406.99
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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.