Finding the Fourth Proportional to 285,426.99, 393,711.03 and 183,585.15
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Solution
The fourth proportional to 285,426.99, 393,711.03 and 183,585.15 is: 253,232.88
Step by Step Solution
- Step 1: Write the proportion equation
285,426.99 : 393,711.03 = 183,585.15 : x - Step 2: Convert to fraction form
285,426.99/393,711.03 = 183,585.15/x - Step 3: Cross multiply
285,426.99x = 393,711.03 × 183,585.15 - Step 4: Simplify right side
285,426.99x = 72,279,498,499.20 - Step 5: Solve for x
x = 72,279,498,499.20/285,426.99 - Step 6: Final answer
x = 253,232.88
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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.