Finding the Fourth Proportional to 440,691.84, 661,053.36 and 141,133.44
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Solution
The fourth proportional to 440,691.84, 661,053.36 and 141,133.44 is: 211,705.16
Step by Step Solution
- Step 1: Write the proportion equation
440,691.84 : 661,053.36 = 141,133.44 : x - Step 2: Convert to fraction form
440,691.84/661,053.36 = 141,133.44/x - Step 3: Cross multiply
440,691.84x = 661,053.36 × 141,133.44 - Step 4: Simplify right side
440,691.84x = 93,296,734,720.36 - Step 5: Solve for x
x = 93,296,734,720.36/440,691.84 - Step 6: Final answer
x = 211,705.16
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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.