Finding the Fourth Proportional to 947,143.62, 1,420,704.63 and 273,202.70
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Solution
The fourth proportional to 947,143.62, 1,420,704.63 and 273,202.70 is: 409,800.93
Step by Step Solution
- Step 1: Write the proportion equation
947,143.62 : 1,420,704.63 = 273,202.70 : x - Step 2: Convert to fraction form
947,143.62/1,420,704.63 = 273,202.70/x - Step 3: Cross multiply
947,143.62x = 1,420,704.63 × 273,202.70 - Step 4: Simplify right side
947,143.62x = 388,140,333,714.98 - Step 5: Solve for x
x = 388,140,333,714.98/947,143.62 - Step 6: Final answer
x = 409,800.93
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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.