Finding the Fourth Proportional to 492,698.19, 739,047.30 and 118,721.19
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Solution
The fourth proportional to 492,698.19, 739,047.30 and 118,721.19 is: 178,081.79
Step by Step Solution
- Step 1: Write the proportion equation
492,698.19 : 739,047.30 = 118,721.19 : x - Step 2: Convert to fraction form
492,698.19/739,047.30 = 118,721.19/x - Step 3: Cross multiply
492,698.19x = 739,047.30 × 118,721.19 - Step 4: Simplify right side
492,698.19x = 87,740,574,922.29 - Step 5: Solve for x
x = 87,740,574,922.29/492,698.19 - Step 6: Final answer
x = 178,081.79
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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.