Finding the Fourth Proportional to 205,589.86, 283,749.08 and 119,598.75
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Solution
The fourth proportional to 205,589.86, 283,749.08 and 119,598.75 is: 165,066.68
Step by Step Solution
- Step 1: Write the proportion equation
205,589.86 : 283,749.08 = 119,598.75 : x - Step 2: Convert to fraction form
205,589.86/283,749.08 = 119,598.75/x - Step 3: Cross multiply
205,589.86x = 283,749.08 × 119,598.75 - Step 4: Simplify right side
205,589.86x = 33,936,035,281.65 - Step 5: Solve for x
x = 33,936,035,281.65/205,589.86 - Step 6: Final answer
x = 165,066.68
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1.5x scale
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.