Finding the Fourth Proportional to 447,366.92, 617,347.84 and 243,418.68
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Solution
The fourth proportional to 447,366.92, 617,347.84 and 243,418.68 is: 335,907.71
Step by Step Solution
- Step 1: Write the proportion equation
447,366.92 : 617,347.84 = 243,418.68 : x - Step 2: Convert to fraction form
447,366.92/617,347.84 = 243,418.68/x - Step 3: Cross multiply
447,366.92x = 617,347.84 × 243,418.68 - Step 4: Simplify right side
447,366.92x = 150,273,996,313.65 - Step 5: Solve for x
x = 150,273,996,313.65/447,366.92 - Step 6: Final answer
x = 335,907.71
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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.