Finding the Fourth Proportional to 449,837.77, 620,676.12 and 258,851.17
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Solution
The fourth proportional to 449,837.77, 620,676.12 and 258,851.17 is: 357,157.07
Step by Step Solution
- Step 1: Write the proportion equation
449,837.77 : 620,676.12 = 258,851.17 : x - Step 2: Convert to fraction form
449,837.77/620,676.12 = 258,851.17/x - Step 3: Cross multiply
449,837.77x = 620,676.12 × 258,851.17 - Step 4: Simplify right side
449,837.77x = 160,662,739,853.06 - Step 5: Solve for x
x = 160,662,739,853.06/449,837.77 - Step 6: Final answer
x = 357,157.07
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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.