Finding the Fourth Proportional to 447,584.13, 617,673.97 and 243,640.91
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Solution
The fourth proportional to 447,584.13, 617,673.97 and 243,640.91 is: 336,228.74
Step by Step Solution
- Step 1: Write the proportion equation
447,584.13 : 617,673.97 = 243,640.91 : x - Step 2: Convert to fraction form
447,584.13/617,673.97 = 243,640.91/x - Step 3: Cross multiply
447,584.13x = 617,673.97 × 243,640.91 - Step 4: Simplify right side
447,584.13x = 150,490,648,134.11 - Step 5: Solve for x
x = 150,490,648,134.11/447,584.13 - Step 6: Final answer
x = 336,228.74
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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.