Finding the Fourth Proportional to 242,853.44, 364,059.62 and 84,995.78
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Solution
The fourth proportional to 242,853.44, 364,059.62 and 84,995.78 is: 127,416.48
Step by Step Solution
- Step 1: Write the proportion equation
242,853.44 : 364,059.62 = 84,995.78 : x - Step 2: Convert to fraction form
242,853.44/364,059.62 = 84,995.78/x - Step 3: Cross multiply
242,853.44x = 364,059.62 × 84,995.78 - Step 4: Simplify right side
242,853.44x = 30,943,529,123.13 - Step 5: Solve for x
x = 30,943,529,123.13/242,853.44 - Step 6: Final answer
x = 127,416.48
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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.