Finding the Fourth Proportional to 421,924.56, 582,256.61 and 230,950.05
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Solution
The fourth proportional to 421,924.56, 582,256.61 and 230,950.05 is: 318,711.46
Step by Step Solution
- Step 1: Write the proportion equation
421,924.56 : 582,256.61 = 230,950.05 : x - Step 2: Convert to fraction form
421,924.56/582,256.61 = 230,950.05/x - Step 3: Cross multiply
421,924.56x = 582,256.61 × 230,950.05 - Step 4: Simplify right side
421,924.56x = 134,472,192,037.58 - Step 5: Solve for x
x = 134,472,192,037.58/421,924.56 - Step 6: Final answer
x = 318,711.46
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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.