Finding the Fourth Proportional to 449,504.60, 620,335.16 and 258,518.12
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Solution
The fourth proportional to 449,504.60, 620,335.16 and 258,518.12 is: 356,765.82
Step by Step Solution
- Step 1: Write the proportion equation
449,504.60 : 620,335.16 = 258,518.12 : x - Step 2: Convert to fraction form
449,504.60/620,335.16 = 258,518.12/x - Step 3: Cross multiply
449,504.60x = 620,335.16 × 258,518.12 - Step 4: Simplify right side
449,504.60x = 160,367,879,333.10 - Step 5: Solve for x
x = 160,367,879,333.10/449,504.60 - Step 6: Final answer
x = 356,765.82
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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.