Finding the Fourth Proportional to 540,801.97, 811,140.99 and 141,481.28
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Solution
The fourth proportional to 540,801.97, 811,140.99 and 141,481.28 is: 212,205.71
Step by Step Solution
- Step 1: Write the proportion equation
540,801.97 : 811,140.99 = 141,481.28 : x - Step 2: Convert to fraction form
540,801.97/811,140.99 = 141,481.28/x - Step 3: Cross multiply
540,801.97x = 811,140.99 × 141,481.28 - Step 4: Simplify right side
540,801.97x = 114,761,267,022.97 - Step 5: Solve for x
x = 114,761,267,022.97/540,801.97 - Step 6: Final answer
x = 212,205.71
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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.