Finding the Fourth Proportional to 218,958.99, 328,280.86 and 134,544.75
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Solution
The fourth proportional to 218,958.99, 328,280.86 and 134,544.75 is: 201,720.26
Step by Step Solution
- Step 1: Write the proportion equation
218,958.99 : 328,280.86 = 134,544.75 : x - Step 2: Convert to fraction form
218,958.99/328,280.86 = 134,544.75/x - Step 3: Cross multiply
218,958.99x = 328,280.86 × 134,544.75 - Step 4: Simplify right side
218,958.99x = 44,168,464,418.80 - Step 5: Solve for x
x = 44,168,464,418.80/218,958.99 - Step 6: Final answer
x = 201,720.26
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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.