Finding the Fourth Proportional to 285,170.63, 393,377.84 and 183,211.28
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Solution
The fourth proportional to 285,170.63, 393,377.84 and 183,211.28 is: 252,730.28
Step by Step Solution
- Step 1: Write the proportion equation
285,170.63 : 393,377.84 = 183,211.28 : x - Step 2: Convert to fraction form
285,170.63/393,377.84 = 183,211.28/x - Step 3: Cross multiply
285,170.63x = 393,377.84 × 183,211.28 - Step 4: Simplify right side
285,170.63x = 72,071,254,707.09 - Step 5: Solve for x
x = 72,071,254,707.09/285,170.63 - Step 6: Final answer
x = 252,730.28
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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.