Finding the Fourth Proportional to 447,288.97, 617,244.69 and 243,334.66
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Solution
The fourth proportional to 447,288.97, 617,244.69 and 243,334.66 is: 335,794.17
Step by Step Solution
- Step 1: Write the proportion equation
447,288.97 : 617,244.69 = 243,334.66 : x - Step 2: Convert to fraction form
447,288.97/617,244.69 = 243,334.66/x - Step 3: Cross multiply
447,288.97x = 617,244.69 × 243,334.66 - Step 4: Simplify right side
447,288.97x = 150,197,026,777.96 - Step 5: Solve for x
x = 150,197,026,777.96/447,288.97 - Step 6: Final answer
x = 335,794.17
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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.