Finding the Fourth Proportional to 285,160.10, 393,562.49 and 164,278.13
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Solution
The fourth proportional to 285,160.10, 393,562.49 and 164,278.13 is: 226,727.75
Step by Step Solution
- Step 1: Write the proportion equation
285,160.10 : 393,562.49 = 164,278.13 : x - Step 2: Convert to fraction form
285,160.10/393,562.49 = 164,278.13/x - Step 3: Cross multiply
285,160.10x = 393,562.49 × 164,278.13 - Step 4: Simplify right side
285,160.10x = 64,653,707,106.14 - Step 5: Solve for x
x = 64,653,707,106.14/285,160.10 - Step 6: Final answer
x = 226,727.75
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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.