Finding the Fourth Proportional to 262,282.29, 393,414.09 and 84,784.65
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Solution
The fourth proportional to 262,282.29, 393,414.09 and 84,784.65 is: 127,173.95
Step by Step Solution
- Step 1: Write the proportion equation
262,282.29 : 393,414.09 = 84,784.65 : x - Step 2: Convert to fraction form
262,282.29/393,414.09 = 84,784.65/x - Step 3: Cross multiply
262,282.29x = 393,414.09 × 84,784.65 - Step 4: Simplify right side
262,282.29x = 33,355,475,925.72 - Step 5: Solve for x
x = 33,355,475,925.72/262,282.29 - Step 6: Final answer
x = 127,173.95
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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.