Finding the Fourth Proportional to 508,939.68, 763,305.84 and 193,285.92
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Solution
The fourth proportional to 508,939.68, 763,305.84 and 193,285.92 is: 289,889.50
Step by Step Solution
- Step 1: Write the proportion equation
508,939.68 : 763,305.84 = 193,285.92 : x - Step 2: Convert to fraction form
508,939.68/763,305.84 = 193,285.92/x - Step 3: Cross multiply
508,939.68x = 763,305.84 × 193,285.92 - Step 4: Simplify right side
508,939.68x = 147,536,271,525.77 - Step 5: Solve for x
x = 147,536,271,525.77/508,939.68 - Step 6: Final answer
x = 289,889.50
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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.