Finding the Fourth Proportional to 440,660.96, 661,034.40 and 141,066.08
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Solution
The fourth proportional to 440,660.96, 661,034.40 and 141,066.08 is: 211,612.87
Step by Step Solution
- Step 1: Write the proportion equation
440,660.96 : 661,034.40 = 141,066.08 : x - Step 2: Convert to fraction form
440,660.96/661,034.40 = 141,066.08/x - Step 3: Cross multiply
440,660.96x = 661,034.40 × 141,066.08 - Step 4: Simplify right side
440,660.96x = 93,249,531,553.15 - Step 5: Solve for x
x = 93,249,531,553.15/440,660.96 - Step 6: Final answer
x = 211,612.87
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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.