Finding the Fourth Proportional to 285,482.22, 393,937.29 and 162,976.14
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Solution
The fourth proportional to 285,482.22, 393,937.29 and 162,976.14 is: 224,890.99
Step by Step Solution
- Step 1: Write the proportion equation
285,482.22 : 393,937.29 = 162,976.14 : x - Step 2: Convert to fraction form
285,482.22/393,937.29 = 162,976.14/x - Step 3: Cross multiply
285,482.22x = 393,937.29 × 162,976.14 - Step 4: Simplify right side
285,482.22x = 64,202,378,926.26 - Step 5: Solve for x
x = 64,202,378,926.26/285,482.22 - Step 6: Final answer
x = 224,890.99
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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.