Finding the Fourth Proportional to 447,682.63, 617,790.27 and 243,729.08
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Solution
The fourth proportional to 447,682.63, 617,790.27 and 243,729.08 is: 336,339.73
Step by Step Solution
- Step 1: Write the proportion equation
447,682.63 : 617,790.27 = 243,729.08 : x - Step 2: Convert to fraction form
447,682.63/617,790.27 = 243,729.08/x - Step 3: Cross multiply
447,682.63x = 617,790.27 × 243,729.08 - Step 4: Simplify right side
447,682.63x = 150,573,454,140.05 - Step 5: Solve for x
x = 150,573,454,140.05/447,682.63 - Step 6: Final answer
x = 336,339.73
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.