Finding the Fourth Proportional to 440,718.77, 661,024.85 and 120,896.68
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Solution
The fourth proportional to 440,718.77, 661,024.85 and 120,896.68 is: 181,330.39
Step by Step Solution
- Step 1: Write the proportion equation
440,718.77 : 661,024.85 = 120,896.68 : x - Step 2: Convert to fraction form
440,718.77/661,024.85 = 120,896.68/x - Step 3: Cross multiply
440,718.77x = 661,024.85 × 120,896.68 - Step 4: Simplify right side
440,718.77x = 79,915,707,565.79 - Step 5: Solve for x
x = 79,915,707,565.79/440,718.77 - Step 6: Final answer
x = 181,330.39
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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.