Finding the Fourth Proportional to 300,990.34, 451,480.92 and 73,288.09
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Solution
The fourth proportional to 300,990.34, 451,480.92 and 73,288.09 is: 109,931.02
Step by Step Solution
- Step 1: Write the proportion equation
300,990.34 : 451,480.92 = 73,288.09 : x - Step 2: Convert to fraction form
300,990.34/451,480.92 = 73,288.09/x - Step 3: Cross multiply
300,990.34x = 451,480.92 × 73,288.09 - Step 4: Simplify right side
300,990.34x = 33,088,174,298.24 - Step 5: Solve for x
x = 33,088,174,298.24/300,990.34 - Step 6: Final answer
x = 109,931.02
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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.