Finding the Fourth Proportional to 447,240.44, 617,173.99 and 243,291.62
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Solution
The fourth proportional to 447,240.44, 617,173.99 and 243,291.62 is: 335,732.74
Step by Step Solution
- Step 1: Write the proportion equation
447,240.44 : 617,173.99 = 243,291.62 : x - Step 2: Convert to fraction form
447,240.44/617,173.99 = 243,291.62/x - Step 3: Cross multiply
447,240.44x = 617,173.99 × 243,291.62 - Step 4: Simplify right side
447,240.44x = 150,153,256,154.87 - Step 5: Solve for x
x = 150,153,256,154.87/447,240.44 - Step 6: Final answer
x = 335,732.74
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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.