Finding the Fourth Proportional to 447,431.14, 617,466.36 and 243,493.12
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Solution
The fourth proportional to 447,431.14, 617,466.36 and 243,493.12 is: 336,026.70
Step by Step Solution
- Step 1: Write the proportion equation
447,431.14 : 617,466.36 = 243,493.12 : x - Step 2: Convert to fraction form
447,431.14/617,466.36 = 243,493.12/x - Step 3: Cross multiply
447,431.14x = 617,466.36 × 243,493.12 - Step 4: Simplify right side
447,431.14x = 150,348,810,491.44 - Step 5: Solve for x
x = 150,348,810,491.44/447,431.14 - Step 6: Final answer
x = 336,026.70
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1.5x scale
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.