Finding the Fourth Proportional to 243,059.64, 364,717.47 and 124,730.99
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Solution
The fourth proportional to 243,059.64, 364,717.47 and 124,730.99 is: 187,162.17
Step by Step Solution
- Step 1: Write the proportion equation
243,059.64 : 364,717.47 = 124,730.99 : x - Step 2: Convert to fraction form
243,059.64/364,717.47 = 124,730.99/x - Step 3: Cross multiply
243,059.64x = 364,717.47 × 124,730.99 - Step 4: Simplify right side
243,059.64x = 45,491,569,279.81 - Step 5: Solve for x
x = 45,491,569,279.81/243,059.64 - Step 6: Final answer
x = 187,162.17
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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.