Finding the Fourth Proportional to 242,698.26, 364,211.41 and 84,928.08
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Solution
The fourth proportional to 242,698.26, 364,211.41 and 84,928.08 is: 127,449.52
Step by Step Solution
- Step 1: Write the proportion equation
242,698.26 : 364,211.41 = 84,928.08 : x - Step 2: Convert to fraction form
242,698.26/364,211.41 = 84,928.08/x - Step 3: Cross multiply
242,698.26x = 364,211.41 × 84,928.08 - Step 4: Simplify right side
242,698.26x = 30,931,775,765.39 - Step 5: Solve for x
x = 30,931,775,765.39/242,698.26 - Step 6: Final answer
x = 127,449.52
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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.