Finding the Fourth Proportional to 331,656.70, 457,686.68 and 180,753.70
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Solution
The fourth proportional to 331,656.70, 457,686.68 and 180,753.70 is: 249,440.34
Step by Step Solution
- Step 1: Write the proportion equation
331,656.70 : 457,686.68 = 180,753.70 : x - Step 2: Convert to fraction form
331,656.70/457,686.68 = 180,753.70/x - Step 3: Cross multiply
331,656.70x = 457,686.68 × 180,753.70 - Step 4: Simplify right side
331,656.70x = 82,728,560,850.72 - Step 5: Solve for x
x = 82,728,560,850.72/331,656.70 - Step 6: Final answer
x = 249,440.34
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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.