Finding the Fourth Proportional to 351,739.44, 485,395.38 and 190,590.84
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Solution
The fourth proportional to 351,739.44, 485,395.38 and 190,590.84 is: 263,012.62
Step by Step Solution
- Step 1: Write the proportion equation
351,739.44 : 485,395.38 = 190,590.84 : x - Step 2: Convert to fraction form
351,739.44/485,395.38 = 190,590.84/x - Step 3: Cross multiply
351,739.44x = 485,395.38 × 190,590.84 - Step 4: Simplify right side
351,739.44x = 92,511,913,206.32 - Step 5: Solve for x
x = 92,511,913,206.32/351,739.44 - Step 6: Final answer
x = 263,012.62
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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.