Finding the Fourth Proportional to 412,339.98, 618,315.87 and 159,738.75
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Solution
The fourth proportional to 412,339.98, 618,315.87 and 159,738.75 is: 239,532.93
Step by Step Solution
- Step 1: Write the proportion equation
412,339.98 : 618,315.87 = 159,738.75 : x - Step 2: Convert to fraction form
412,339.98/618,315.87 = 159,738.75/x - Step 3: Cross multiply
412,339.98x = 618,315.87 × 159,738.75 - Step 4: Simplify right side
412,339.98x = 98,769,004,178.96 - Step 5: Solve for x
x = 98,769,004,178.96/412,339.98 - Step 6: Final answer
x = 239,532.93
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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.