Finding the Fourth Proportional to 447,466.06, 617,731.68 and 345,261.88
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Solution
The fourth proportional to 447,466.06, 617,731.68 and 345,261.88 is: 476,637.72
Step by Step Solution
- Step 1: Write the proportion equation
447,466.06 : 617,731.68 = 345,261.88 : x - Step 2: Convert to fraction form
447,466.06/617,731.68 = 345,261.88/x - Step 3: Cross multiply
447,466.06x = 617,731.68 × 345,261.88 - Step 4: Simplify right side
447,466.06x = 213,279,201,172.36 - Step 5: Solve for x
x = 213,279,201,172.36/447,466.06 - Step 6: Final answer
x = 476,637.72
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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.