Finding the Fourth Proportional to 402,029.97, 554,797.49 and 220,740.32
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Solution
The fourth proportional to 402,029.97, 554,797.49 and 220,740.32 is: 304,619.52
Step by Step Solution
- Step 1: Write the proportion equation
402,029.97 : 554,797.49 = 220,740.32 : x - Step 2: Convert to fraction form
402,029.97/554,797.49 = 220,740.32/x - Step 3: Cross multiply
402,029.97x = 554,797.49 × 220,740.32 - Step 4: Simplify right side
402,029.97x = 122,466,175,761.09 - Step 5: Solve for x
x = 122,466,175,761.09/402,029.97 - Step 6: Final answer
x = 304,619.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.