Finding the Fourth Proportional to 492,704.80, 739,079.07 and 193,158.70
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Solution
The fourth proportional to 492,704.80, 739,079.07 and 193,158.70 is: 289,746.62
Step by Step Solution
- Step 1: Write the proportion equation
492,704.80 : 739,079.07 = 193,158.70 : x - Step 2: Convert to fraction form
492,704.80/739,079.07 = 193,158.70/x - Step 3: Cross multiply
492,704.80x = 739,079.07 × 193,158.70 - Step 4: Simplify right side
492,704.80x = 142,759,552,358.41 - Step 5: Solve for x
x = 142,759,552,358.41/492,704.80 - Step 6: Final answer
x = 289,746.62
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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.