Finding the Fourth Proportional to 331,847.08, 457,939.14 and 188,622.76
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Solution
The fourth proportional to 331,847.08, 457,939.14 and 188,622.76 is: 260,293.82
Step by Step Solution
- Step 1: Write the proportion equation
331,847.08 : 457,939.14 = 188,622.76 : x - Step 2: Convert to fraction form
331,847.08/457,939.14 = 188,622.76/x - Step 3: Cross multiply
331,847.08x = 457,939.14 × 188,622.76 - Step 4: Simplify right side
331,847.08x = 86,377,744,498.83 - Step 5: Solve for x
x = 86,377,744,498.83/331,847.08 - Step 6: Final answer
x = 260,293.82
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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.