Finding the Fourth Proportional to 617,135.63, 851,607.09 and 345,156.44
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Solution
The fourth proportional to 617,135.63, 851,607.09 and 345,156.44 is: 476,293.47
Step by Step Solution
- Step 1: Write the proportion equation
617,135.63 : 851,607.09 = 345,156.44 : x - Step 2: Convert to fraction form
617,135.63/851,607.09 = 345,156.44/x - Step 3: Cross multiply
617,135.63x = 851,607.09 × 345,156.44 - Step 4: Simplify right side
617,135.63x = 293,937,672,966.16 - Step 5: Solve for x
x = 293,937,672,966.16/617,135.63 - Step 6: Final answer
x = 476,293.47
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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.