Finding the Fourth Proportional to 438,652.12, 657,879.84 and 201,767.32
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Solution
The fourth proportional to 438,652.12, 657,879.84 and 201,767.32 is: 302,605.75
Step by Step Solution
- Step 1: Write the proportion equation
438,652.12 : 657,879.84 = 201,767.32 : x - Step 2: Convert to fraction form
438,652.12/657,879.84 = 201,767.32/x - Step 3: Cross multiply
438,652.12x = 657,879.84 × 201,767.32 - Step 4: Simplify right side
438,652.12x = 132,738,652,198.83 - Step 5: Solve for x
x = 132,738,652,198.83/438,652.12 - Step 6: Final answer
x = 302,605.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.