Finding the Fourth Proportional to 268,682.24, 370,834.44 and 154,037.84
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Solution
The fourth proportional to 268,682.24, 370,834.44 and 154,037.84 is: 212,602.58
Step by Step Solution
- Step 1: Write the proportion equation
268,682.24 : 370,834.44 = 154,037.84 : x - Step 2: Convert to fraction form
268,682.24/370,834.44 = 154,037.84/x - Step 3: Cross multiply
268,682.24x = 370,834.44 × 154,037.84 - Step 4: Simplify right side
268,682.24x = 57,122,536,135.21 - Step 5: Solve for x
x = 57,122,536,135.21/268,682.24 - Step 6: Final answer
x = 212,602.58
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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.