Finding the Fourth Proportional to 440,679.66, 661,035.15 and 141,121.32
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Solution
The fourth proportional to 440,679.66, 661,035.15 and 141,121.32 is: 211,686.99
Step by Step Solution
- Step 1: Write the proportion equation
440,679.66 : 661,035.15 = 141,121.32 : x - Step 2: Convert to fraction form
440,679.66/661,035.15 = 141,121.32/x - Step 3: Cross multiply
440,679.66x = 661,035.15 × 141,121.32 - Step 4: Simplify right side
440,679.66x = 93,286,152,934.40 - Step 5: Solve for x
x = 93,286,152,934.40/440,679.66 - Step 6: Final answer
x = 211,686.99
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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.